diff --git a/Makefile b/Makefile
index 77ec835..75c2d25 100644
--- a/Makefile
+++ b/Makefile
@@ -37,7 +37,9 @@ add-plugins:
 	docker exec -ti isard-apps-nextcloud-app /bin/sh -c "su - www-data -s /bin/sh -c 'PHP_MEMORY_LIMIT=512M php /var/www/html/occ app:install user_saml'"
 	docker exec -ti isard-apps-nextcloud-app /bin/sh -c "su - www-data -s /bin/sh -c 'PHP_MEMORY_LIMIT=512M php /var/www/html/occ app:enable user_saml'"
 	docker exec -ti isard-apps-nextcloud-app /bin/sh -c "su - www-data -s /bin/sh -c 'PHP_MEMORY_LIMIT=512M php /var/www/html/occ app:install ownpad'"
-	docker exec -ti isard-apps-nextcloud-app /bin/sh -c "/ownpad_cfg.sh"
+	docker exec isard-apps-nextcloud-app apk add jq
+	docker exec isard-apps-nextcloud-app sh -c 'jq ". + {\"pad\": [\"application/x-ownpad\"], \"calc\": [\"application/x-ownpad\"]}" /var/www/html/resources/config/mimetypemapping.dist.json > /var/www/html/config/mimetypemapping.json'
+	docker exec -u www-data isard-apps-nextcloud-app sh -c 'PHP_MEMORY_LIMIT=512M php /var/www/html/occ files:scan --all'
 	docker exec -ti isard-apps-nextcloud-app /bin/sh -c "su - www-data -s /bin/sh -c 'PHP_MEMORY_LIMIT=512M php /var/www/html/occ app:enable ownpad'"
 
 
diff --git a/docker/nextcloud/Dockerfile b/docker/nextcloud/Dockerfile
index d7e1747..cbbc06d 100644
--- a/docker/nextcloud/Dockerfile
+++ b/docker/nextcloud/Dockerfile
@@ -47,7 +47,6 @@ RUN mkdir -p \
 
 COPY supervisord.conf /
 
-COPY ownpad_cfg.sh /
 ENV NEXTCLOUD_UPDATE=1
 
 CMD ["/usr/bin/supervisord", "-c", "/supervisord.conf"]
\ No newline at end of file
diff --git a/docker/nextcloud/ownpad_cfg.sh b/docker/nextcloud/ownpad_cfg.sh
deleted file mode 100755
index e04f6ab..0000000
--- a/docker/nextcloud/ownpad_cfg.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/sh
-cp /var/www/html/resources/config/mimetypemapping.dist.json /var/www/html/config/mimetypemapping.json
-sed -i '$d' /var/www/html/config/mimetypemapping.json
-sed -i '${s/$/,/}' /var/www/html/config/mimetypemapping.json
-echo $'\t"pad": ["application/x-ownpad"],\n\t"calc": ["application/x-ownpad"]\n}' >> /var/www/html/config/mimetypemapping.json
-su - www-data -s /bin/sh -c 'PHP_MEMORY_LIMIT=512M php /var/www/html/occ files:scan --all'
\ No newline at end of file