diff --git a/Makefile b/Makefile
index d928252..9ef5f6d 100644
--- a/Makefile
+++ b/Makefile
@@ -101,6 +101,10 @@ add-plugins:
 	docker exec -u www-data isard-apps-nextcloud-app php occ --no-warnings config:app:set onlyoffice jwt_header --value="Authorization"
 	docker exec -u www-data isard-apps-nextcloud-app php occ --no-warnings config:system:set allow_local_remote_servers  --value=true
 
+# Allow nextcloud into other apps iframes
+# Content-Security-Policy: frame-ancestors 'self' *.$$DOMAIN;
+	docker exec -ti isard-apps-nextcloud-app sed -ie "/protected \\\$$allowedFrameAncestors = \[/{n;s/\('\\\\\'self\\\\\'\)\('\)/\1 *.$$DOMAIN\2/}" /var/www/html/lib/public/AppFramework/Http/ContentSecurityPolicy.php
+
 	# default labels
 	echo "INSERT INTO oc_systemtag (name, editable) VALUES ('nombre etiqueta', 0);" | docker exec -i isard-apps-postgresql psql -U admin -d nextcloud