diff --git a/img/circles.svg b/img/circles.svg
new file mode 100644
index 0000000..caf4559
--- /dev/null
+++ b/img/circles.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 57 57" width="64" height="64"><path d="M7.1 28.5A21.4 21.4 0 0 1 28.5 7.1m10.7 40A21.4 21.4 0 0 1 10 39M39.2 10A21.4 21.4 0 0 1 47 39.2" fill="none" stroke="#fff" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/><circle cx="28.5" cy="7.1" r="6.5" fill="#fff" /><circle cx="39.2" cy="-10" r="6.5" transform="rotate(90)" fill="#fff" /><circle cx="39.2" cy="-47" r="6.5" transform="rotate(90)" fill="#fff" /></svg>
\ No newline at end of file
diff --git a/lib/CircleHelper.php b/lib/CircleHelper.php
new file mode 100644
index 0000000..1a56b10
--- /dev/null
+++ b/lib/CircleHelper.php
@@ -0,0 +1,67 @@
+<?php
+
+namespace OCA\BigBlueButton;
+
+use OCA\BigBlueButton\AppInfo\Application;
+use OCP\App\IAppManager;
+
+class CircleHelper {
+	public const LEVEL_NONE = 0;
+	public const LEVEL_MEMBER = 1;
+	public const LEVEL_MODERATOR = 4;
+	public const LEVEL_ADMIN = 8;
+	public const LEVEL_OWNER = 9;
+
+	private $api;
+
+	/** @var Application */
+	private $app;
+
+	/** @var IAppManager */
+	private $appManager;
+
+	private $cache = [];
+
+	public function __construct(
+		Application $app,
+		IAppManager $appManager
+	) {
+		$this->app = $app;
+		$this->appManager = $appManager;
+	}
+
+	public function isInCircle(string $userId, string $circleId): bool {
+		return \in_array($circleId, $this->getCircleIds($userId));
+	}
+
+	public function getCircleIds(string $userId): array {
+		if (!\array_key_exists($userId, $this->cache)) {
+			$this->cache[$userId] = [];
+
+			$api = $this->getCircleAPI();
+
+			if ($api !== false) {
+				$circles = $api->listCircles(\OCA\Circles\Api\v1\Circles::CIRCLES_ALL, '', \OCA\Circles\Api\v1\Circles::LEVEL_MEMBER);
+
+				foreach ($circles as $circle) {
+					$this->cache[$userId][] = $circle->getUniqueId();
+				}
+			}
+		}
+
+		return $this->cache[$userId];
+	}
+
+	public function getCircleAPI() {
+		if ($this->api === null) {
+			if ($this->appManager->isEnabledForUser('circles') && class_exists('\OCA\Circles\Api\v1\Circles')) {
+				$container = $this->app->getContainer();
+				$this->api = $container->query(\OCA\Circles\Api\v1\Circles::class);
+			} else {
+				$this->api = false;
+			}
+		}
+
+		return $this->api;
+	}
+}
diff --git a/lib/Controller/RoomController.php b/lib/Controller/RoomController.php
index c429421..ef73cb3 100644
--- a/lib/Controller/RoomController.php
+++ b/lib/Controller/RoomController.php
@@ -5,6 +5,7 @@ namespace OCA\BigBlueButton\Controller;
 use OCA\BigBlueButton\Service\RoomService;
 use OCA\BigBlueButton\Permission;
 use OCA\BigBlueButton\Db\Room;
+use OCA\BigBlueButton\CircleHelper;
 use OCP\IRequest;
 use OCP\AppFramework\Http;
 use OCP\AppFramework\Http\DataResponse;
@@ -25,6 +26,9 @@ class RoomController extends Controller {
 	/** @var Permission */
 	private $permission;
 
+	/** @var CircleHelper */
+	private $circleHelper;
+
 	/** @var string */
 	private $userId;
 
@@ -37,6 +41,7 @@ class RoomController extends Controller {
 		IUserManager $userManager,
 		IGroupManager $groupManager,
 		Permission $permission,
+		CircleHelper $circleHelper,
 		$userId
 	) {
 		parent::__construct($appName, $request);
@@ -44,6 +49,7 @@ class RoomController extends Controller {
 		$this->userManager = $userManager;
 		$this->groupManager = $groupManager;
 		$this->permission = $permission;
+		$this->circleHelper = $circleHelper;
 		$this->userId = $userId;
 	}
 
@@ -53,8 +59,9 @@ class RoomController extends Controller {
 	public function index(): DataResponse {
 		$user = $this->userManager->get($this->userId);
 		$groupIds = $this->groupManager->getUserGroupIds($user);
+		$circleIds = $this->circleHelper->getCircleIds($this->userId);
 
-		return new DataResponse($this->service->findAll($this->userId, $groupIds));
+		return new DataResponse($this->service->findAll($this->userId, $groupIds, $circleIds));
 	}
 
 	/**
diff --git a/lib/Controller/RoomShareController.php b/lib/Controller/RoomShareController.php
index a049781..db69397 100644
--- a/lib/Controller/RoomShareController.php
+++ b/lib/Controller/RoomShareController.php
@@ -5,6 +5,7 @@ namespace OCA\BigBlueButton\Controller;
 use OCA\BigBlueButton\Db\RoomShare;
 use OCA\BigBlueButton\Service\RoomService;
 use OCA\BigBlueButton\Service\RoomShareNotFound;
+use OCA\BigBlueButton\CircleHelper;
 use OCP\IRequest;
 use OCP\AppFramework\Http;
 use OCP\AppFramework\Http\DataResponse;
@@ -26,6 +27,9 @@ class RoomShareController extends Controller {
 	/** @var RoomService */
 	private $roomService;
 
+	/** @var CircleHelper */
+	private $circleHelper;
+
 	use Errors;
 
 	public function __construct(
@@ -34,12 +38,14 @@ class RoomShareController extends Controller {
 		RoomShareService $service,
 		IUserManager $userManager,
 		RoomService $roomService,
+		CircleHelper $circleHelper,
 		$userId
 	) {
 		parent::__construct($appName, $request);
 		$this->service = $service;
 		$this->userManager = $userManager;
 		$this->roomService = $roomService;
+		$this->circleHelper = $circleHelper;
 		$this->userId = $userId;
 	}
 
@@ -58,17 +64,38 @@ class RoomShareController extends Controller {
 		}
 
 		$roomShares = $this->service->findAll($roomId);
+		$shares = [];
+
+		$circleAPI = $this->circleHelper->getCircleAPI();
 
 		/** @var RoomShare $roomShare */
 		foreach ($roomShares as $roomShare) {
-			$shareWithUser = $this->userManager->get($roomShare->getShareWith());
+			if ($roomShare->getShareType() === RoomShare::SHARE_TYPE_USER) {
+				$shareWithUser = $this->userManager->get($roomShare->getShareWith());
+
+				if ($shareWithUser === null) {
+					continue;
+				}
 
-			if ($shareWithUser !== null) {
 				$roomShare->setShareWithDisplayName($shareWithUser->getDisplayName());
+			} elseif ($roomShare->getShareType() === RoomShare::SHARE_TYPE_CIRCLE) {
+				if ($circleAPI === false) {
+					continue;
+				}
+
+				$circle = $circleAPI->detailsCircle($roomShare->getShareWith());
+
+				if ($circle === null) {
+					continue;
+				}
+
+				$roomShare->setShareWithDisplayName($circle->getName());
 			}
+
+			$shares[] = $roomShare;
 		}
 
-		return new DataResponse($roomShares);
+		return new DataResponse($shares);
 	}
 
 	/**
diff --git a/lib/Db/RoomMapper.php b/lib/Db/RoomMapper.php
index a449d36..e2f6551 100644
--- a/lib/Db/RoomMapper.php
+++ b/lib/Db/RoomMapper.php
@@ -45,7 +45,7 @@ class RoomMapper extends QBMapper {
 	/**
 	 * @return array<Room>
 	 */
-	public function findAll(string $userId, array $groupIds): array {
+	public function findAll(string $userId, array $groupIds, array $circleIds): array {
 		/* @var $qb IQueryBuilder */
 		$qb = $this->db->getQueryBuilder();
 		$qb->select('r.*')
@@ -63,6 +63,11 @@ class RoomMapper extends QBMapper {
 						$qb->expr()->eq('s.permission', $qb->createNamedParameter(RoomShare::PERMISSION_ADMIN, IQueryBuilder::PARAM_INT)),
 						$qb->expr()->eq('s.share_type', $qb->createNamedParameter(RoomShare::SHARE_TYPE_GROUP, IQueryBuilder::PARAM_INT)),
 						$qb->expr()->in('s.share_with', $qb->createNamedParameter($groupIds, IQueryBuilder::PARAM_STR_ARRAY))
+					),
+					$qb->expr()->andX(
+						$qb->expr()->eq('s.permission', $qb->createNamedParameter(RoomShare::PERMISSION_ADMIN, IQueryBuilder::PARAM_INT)),
+						$qb->expr()->eq('s.share_type', $qb->createNamedParameter(RoomShare::SHARE_TYPE_CIRCLE, IQueryBuilder::PARAM_INT)),
+						$qb->expr()->in('s.share_with', $qb->createNamedParameter($circleIds, IQueryBuilder::PARAM_STR_ARRAY))
 					)
 				)
 			)
diff --git a/lib/Db/RoomShare.php b/lib/Db/RoomShare.php
index c6585eb..a9b053c 100644
--- a/lib/Db/RoomShare.php
+++ b/lib/Db/RoomShare.php
@@ -5,6 +5,7 @@ namespace OCA\BigBlueButton\Db;
 use JsonSerializable;
 
 use OCP\AppFramework\Db\Entity;
+use OCP\Share\IShare;
 
 /**
  * @method int getRoomId()
@@ -24,8 +25,9 @@ class RoomShare extends Entity implements JsonSerializable {
 	public const PERMISSION_MODERATOR = 1;
 	public const PERMISSION_USER = 2;
 
-	public const SHARE_TYPE_USER = 0;
-	public const SHARE_TYPE_GROUP = 1;
+	public const SHARE_TYPE_USER = IShare::TYPE_USER;
+	public const SHARE_TYPE_GROUP = IShare::TYPE_GROUP;
+	public const SHARE_TYPE_CIRCLE = IShare::TYPE_CIRCLE;
 
 	protected $roomId;
 	protected $shareType;
diff --git a/lib/Permission.php b/lib/Permission.php
index 7091878..475b140 100644
--- a/lib/Permission.php
+++ b/lib/Permission.php
@@ -29,18 +29,23 @@ class Permission {
 	/** @var RoomShareService */
 	private $roomShareService;
 
+	/** @var CircleHelper */
+	private $circleHelper;
+
 	public function __construct(
 		IUserManager $userManager,
 		IGroupManager $groupManager,
 		RoomService $roomService,
 		RestrictionService $restrictionService,
-		RoomShareService $roomShareService
+		RoomShareService $roomShareService,
+		CircleHelper $circleHelper
 	) {
 		$this->userManager = $userManager;
 		$this->groupManager = $groupManager;
 		$this->roomService = $roomService;
 		$this->restrictionService = $restrictionService;
 		$this->roomShareService = $roomShareService;
+		$this->circleHelper = $circleHelper;
 	}
 
 	public function getRestriction(string $uid): Restriction {
@@ -51,7 +56,7 @@ class Permission {
 	}
 
 	public function isAllowedToCreateRoom(string $uid) {
-		$numberOfCreatedRooms = count($this->roomService->findAll($uid, []));
+		$numberOfCreatedRooms = count($this->roomService->findAll($uid, [], []));
 		$restriction = $this->getRestriction($uid);
 
 		return $restriction->getMaxRooms() < 0 || $restriction->getMaxRooms() > $numberOfCreatedRooms;
@@ -104,6 +109,10 @@ class Permission {
 				if ($this->groupManager->isInGroup($uid, $share->getShareWith())) {
 					return true;
 				}
+			} elseif ($share->getShareType() === RoomShare::SHARE_TYPE_CIRCLE) {
+				if ($this->circleHelper->isInCircle($uid, $share->getShareWith())) {
+					return true;
+				}
 			}
 		}
 
diff --git a/lib/Service/RoomService.php b/lib/Service/RoomService.php
index e1dbf9c..827b4da 100644
--- a/lib/Service/RoomService.php
+++ b/lib/Service/RoomService.php
@@ -19,8 +19,8 @@ class RoomService {
 		$this->mapper = $mapper;
 	}
 
-	public function findAll(string $userId, array $groupIds): array {
-		return $this->mapper->findAll($userId, $groupIds);
+	public function findAll(string $userId, array $groupIds, array $circleIds): array {
+		return $this->mapper->findAll($userId, $groupIds, $circleIds);
 	}
 
 	private function handleException(Exception $e): void {
diff --git a/templates/manager.php b/templates/manager.php
index 28f0879..994c65d 100644
--- a/templates/manager.php
+++ b/templates/manager.php
@@ -8,4 +8,4 @@ script('bbb', 'manager');
     <div id="bbb-warning">
         <span class="icon icon-error-color icon-visible"></span> <?php p($_['warning']); ?>
     </div>
-<?php endif; ?>
\ No newline at end of file
+<?php endif; ?>
diff --git a/tests/Integration/Db/RoomMapperTest.php b/tests/Integration/Db/RoomMapperTest.php
index 80fd508..0a60381 100644
--- a/tests/Integration/Db/RoomMapperTest.php
+++ b/tests/Integration/Db/RoomMapperTest.php
@@ -80,18 +80,20 @@ class RoomMapperTest extends TestCase {
 		$foreignRoom2 = $this->insert($this->getRandomString(), $this->getRandomString());
 		$foreignRoom3 = $this->insert($this->getRandomString(), $this->getRandomString());
 
-		$this->assertCount(1, $this->mapper->findAll($this->userId, []));
+		$this->assertCount(1, $this->mapper->findAll($this->userId, [], []));
 
 		$shares = [];
 		$shares[] = $this->insertShare($foreignRoom1->getId(), RoomShare::SHARE_TYPE_USER, $this->userId);
 		$shares[] = $this->insertShare($foreignRoom1->getId(), RoomShare::SHARE_TYPE_GROUP, 'foo bar');
 		$shares[] = $this->insertShare($foreignRoom2->getId(), RoomShare::SHARE_TYPE_GROUP, 'foo bar');
 		$shares[] = $this->insertShare($foreignRoom3->getId(), RoomShare::SHARE_TYPE_USER, $this->getRandomString());
+		$shares[] = $this->insertShare($foreignRoom3->getId(), RoomShare::SHARE_TYPE_CIRCLE, 'c1');
+		$shares[] = $this->insertShare($foreignRoom3->getId(), RoomShare::SHARE_TYPE_CIRCLE, 'c2');
 		$shares[] = $this->insertShare($foreignRoom3->getId(), RoomShare::SHARE_TYPE_USER, $this->userId, RoomShare::PERMISSION_MODERATOR);
 		$shares[] = $this->insertShare($foreignRoom3->getId(), RoomShare::SHARE_TYPE_GROUP, 'foo bar', RoomShare::PERMISSION_USER);
 
-		$rooms = $this->mapper->findAll($this->userId, ['foo bar']);
-		$this->assertCount(3, $rooms);
+		$rooms = $this->mapper->findAll($this->userId, ['foo bar'], ['c1']);
+		$this->assertCount(4, $rooms);
 
 		$this->mapper->delete($room);
 		$this->mapper->delete($foreignRoom1);
diff --git a/tests/Unit/Controller/RoomShareControllerTest.php b/tests/Unit/Controller/RoomShareControllerTest.php
index 314d0f3..e91243e 100644
--- a/tests/Unit/Controller/RoomShareControllerTest.php
+++ b/tests/Unit/Controller/RoomShareControllerTest.php
@@ -9,6 +9,7 @@ use OCA\BigBlueButton\Controller\RoomShareController;
 use OCA\BigBlueButton\Db\Room;
 use OCA\BigBlueButton\Db\RoomShare;
 use OCA\BigBlueButton\Service\RoomShareService;
+use OCA\BigBlueButton\CircleHelper;
 use OCP\AppFramework\Http;
 use OCP\IUserManager;
 
@@ -16,6 +17,7 @@ class RoomShareControllerTest extends TestCase {
 	private $request;
 	private $service;
 	private $roomService;
+	private $circleHelper;
 	private $userManager;
 	private $controller;
 
@@ -28,6 +30,7 @@ class RoomShareControllerTest extends TestCase {
 		$this->service = $this->createMock(RoomShareService::class);
 		$this->userManager = $this->createMock(IUserManager::class);
 		$this->roomService = $this->createMock(RoomService::class);
+		$this->circleHelper = $this->createMock(CircleHelper::class);
 
 		$this->controller = new RoomShareController(
 			'bbb',
@@ -35,6 +38,7 @@ class RoomShareControllerTest extends TestCase {
 			$this->service,
 			$this->userManager,
 			$this->roomService,
+			$this->circleHelper,
 			$this->userId
 		);
 	}
diff --git a/tests/Unit/PermissionTest.php b/tests/Unit/PermissionTest.php
index 1e0fb3d..288fafe 100644
--- a/tests/Unit/PermissionTest.php
+++ b/tests/Unit/PermissionTest.php
@@ -9,6 +9,7 @@ use OCA\BigBlueButton\Permission;
 use OCA\BigBlueButton\Service\RoomService;
 use OCA\BigBlueButton\Service\RoomShareService;
 use OCA\BigBlueButton\Service\RestrictionService;
+use OCA\BigBlueButton\CircleHelper;
 use OCP\IUserManager;
 use OCP\IGroupManager;
 use OCP\IUser;
@@ -34,6 +35,9 @@ class PermissionTest extends TestCase {
 	/** @var RestrictionService|MockObject */
 	private $restrictionService;
 
+	/** @var CircleHelper|MockObject */
+	private $circleHelper;
+
 	public function setUp(): void {
 		parent::setUp();
 
@@ -52,12 +56,16 @@ class PermissionTest extends TestCase {
 		/** @var RoomShareService|MockObject */
 		$this->roomShareService = $this->createMock(RoomShareService::class);
 
+		/** @var CircleHelper|MockObject */
+		$this->circleHelper = $this->createMock(CircleHelper::class);
+
 		$this->permission = new Permission(
 			$this->userManager,
 			$this->groupManager,
 			$this->roomService,
 			$this->restrictionService,
-			$this->roomShareService
+			$this->roomShareService,
+			$this->circleHelper
 		);
 	}
 
@@ -96,12 +104,13 @@ class PermissionTest extends TestCase {
 		$room = $this->createRoom(1, 'foo');
 
 		$this->roomShareService
-			->expects($this->exactly(4))
+			->expects($this->exactly(5))
 			->method('findAll')
 			->will($this->returnValueMap([
 				[1, [
 					$this->createRoomShare(RoomShare::SHARE_TYPE_USER, 'user', RoomShare::PERMISSION_ADMIN),
 					$this->createRoomShare(RoomShare::SHARE_TYPE_GROUP, 'group', RoomShare::PERMISSION_MODERATOR),
+					$this->createRoomShare(RoomShare::SHARE_TYPE_CIRCLE, 'circle', RoomShare::PERMISSION_USER),
 				]],
 				[2, []],
 			]));
@@ -113,6 +122,13 @@ class PermissionTest extends TestCase {
 				['group_user', 'group', true],
 			]));
 
+		$this->circleHelper
+			->method('isInCircle')
+			->will($this->returnValueMap([
+				['bar', 'circle', false],
+				['circle_user', 'circle', true],
+			]));
+
 		$this->assertFalse($this->permission->isUser($room, null), 'Test guest user');
 		$this->assertFalse($this->permission->isUser($room, 'bar'), 'Test no matching share');
 		$this->assertFalse($this->permission->isUser($this->createRoom(2, 'foo'), 'bar'), 'Test empty shares');
@@ -120,6 +136,7 @@ class PermissionTest extends TestCase {
 		$this->assertTrue($this->permission->isUser($room, 'foo'), 'Test room owner');
 		$this->assertTrue($this->permission->isUser($room, 'user'));
 		$this->assertTrue($this->permission->isUser($room, 'group_user'));
+		$this->assertTrue($this->permission->isUser($room, 'circle_user'));
 	}
 
 	private function createRoom(int $id, string $userId): Room {
diff --git a/ts/Common/Api.ts b/ts/Common/Api.ts
index f67f8ea..e601d28 100644
--- a/ts/Common/Api.ts
+++ b/ts/Common/Api.ts
@@ -1,6 +1,10 @@
 import axios from '@nextcloud/axios';
 
-export enum ShareType { User, Group };
+export enum ShareType {
+	User = OC.Share.SHARE_TYPE_USER,
+	Group = OC.Share.SHARE_TYPE_GROUP,
+	Circle = OC.Share.SHARE_TYPE_CIRCLE
+};
 
 export enum Permission { Admin, Moderator, User };
 
@@ -67,6 +71,7 @@ export interface ShareWithOption {
 export interface ShareWith {
 	users: ShareWithOption[];
 	groups: ShareWithOption[];
+	circles: ShareWithOption[];
 }
 
 class Api {
@@ -228,6 +233,7 @@ class Api {
 		return {
 			users: response.data.ocs.data.exact.users,
 			groups: response.data.ocs.data.exact.groups,
+			circles: response.data.ocs.data.exact.circles || [],
 		};
 	}
 
@@ -248,6 +254,7 @@ class Api {
 		return {
 			users: [...data.users, ...data.exact.users],
 			groups: [...data.groups, ...data.exact.groups],
+			circles: [...(data.circles || []), ...(data.exact.circles || [])],
 		};
 	}
 }
diff --git a/ts/Common/ShareSelection.tsx b/ts/Common/ShareSelection.tsx
index 61ad29d..8048d53 100644
--- a/ts/Common/ShareSelection.tsx
+++ b/ts/Common/ShareSelection.tsx
@@ -8,6 +8,7 @@ type Props = {
 	excluded?: {
 		groupIds?: string[];
 		userIds?: string[];
+		circleIds?: string[];
 	};
 	placeholder?: string;
 }
@@ -23,6 +24,7 @@ const ShareSelection: React.FC<Props> = (props) => {
 	const excluded = {
 		userIds: props.excluded?.userIds || [],
 		groupIds: props.excluded?.groupIds || [],
+		circleIds: props.excluded?.circleIds || [],
 	};
 	const placeholder = props.placeholder || t('bbb', 'Name, group, ...');
 
@@ -59,6 +61,7 @@ const ShareSelection: React.FC<Props> = (props) => {
 		const results = options ? [
 			...options.users.filter(user => !excluded.userIds.includes(user.value.shareWith)),
 			...options.groups.filter(group => !excluded.groupIds.includes(group.value.shareWith)),
+			...options.circles.filter(circle => !excluded.circleIds.includes(circle.value.shareWith)),
 		] : [];
 
 		const renderOption = (option: ShareWithOption) => {
diff --git a/ts/Manager/ShareWith.scss b/ts/Manager/ShareWith.scss
index f1214a4..c0f11a4 100644
--- a/ts/Manager/ShareWith.scss
+++ b/ts/Manager/ShareWith.scss
@@ -1,3 +1,8 @@
+.icon-circle-white {
+  background-size: 50%;
+  background-image: url('../../img/circles.svg');
+}
+
 .bbb-shareWith {
   margin: 1em 0;
 
@@ -15,7 +20,8 @@
       width: 32px;
       overflow: hidden;
 
-      .icon-group-white {
+      .icon-group-white,
+      .icon-circle-white {
         display: block;
         height: 100%;
         width: 100%;
diff --git a/ts/Manager/ShareWith.tsx b/ts/Manager/ShareWith.tsx
index a55e373..d135123 100644
--- a/ts/Manager/ShareWith.tsx
+++ b/ts/Manager/ShareWith.tsx
@@ -18,6 +18,7 @@ const ShareWith: React.FC<Props> = ({ room, permission, shares: allShares, setSh
 
 	const sharedUserIds = shares ? shares.filter(share => share.shareType === ShareType.User).map(share => share.shareWith) : [];
 	const sharedGroupIds = shares ? shares.filter(share => share.shareType === ShareType.Group).map(share => share.shareWith) : [];
+	const sharedCircleIds = shares ? shares.filter(share => share.shareType === ShareType.Circle).map(share => share.shareWith) : [];
 
 	async function addRoomShare(shareWith: string, shareType: number, displayName: string, permission: Permission) {
 		const roomShare = await api.createRoomShare(room.id, shareType, shareWith, permission);
@@ -80,6 +81,7 @@ const ShareWith: React.FC<Props> = ({ room, permission, shares: allShares, setSh
 							<div className="avatardiv">
 								{avatarUrl && <img src={avatarUrl} alt={`Avatar from ${displayName}`} />}
 								{share.shareType === ShareType.Group && <span className="icon-group-white"></span>}
+								{share.shareType === ShareType.Circle && <span className="icon-circle-white"></span>}
 							</div>
 							<div className="bbb-shareWith__item__label">
 								<h5>{displayName}
@@ -115,7 +117,8 @@ const ShareWith: React.FC<Props> = ({ room, permission, shares: allShares, setSh
 			{isOwner ?
 				<ShareSelection
 					selectShare={(shareOption) => addRoomShare(shareOption.value.shareWith, shareOption.value.shareType, shareOption.label, permission)}
-					excluded={{userIds: sharedUserIds, groupIds: sharedGroupIds}}/> :
+					excluded={{userIds: sharedUserIds, groupIds: sharedGroupIds, circleIds: sharedCircleIds}}
+					shareType={[ShareType.User, ShareType.Group, ShareType.Circle]}/> :
 				<em>
 					<span className="icon icon-details icon-visible"></span> {t('bbb', 'You are not allowed to change this option, because this room is shared with you.')}
 				</em>
diff --git a/ts/Nextcloud.d.ts b/ts/Nextcloud.d.ts
index 7378431..0f812e0 100644
--- a/ts/Nextcloud.d.ts
+++ b/ts/Nextcloud.d.ts
@@ -27,6 +27,7 @@ declare namespace OC {
 		const SHARE_TYPE_USER = 0;
 		const SHARE_TYPE_GROUP = 1;
 		const SHARE_TYPE_LINK = 3;
+		const SHARE_TYPE_CIRCLE = 7;
 	}
 
 	interface Plugin<T> {