diff --git a/apps/nextcloud/docker-compose.yml b/apps/nextcloud/docker-compose.yml
index d851a32..790aba4 100644
--- a/apps/nextcloud/docker-compose.yml
+++ b/apps/nextcloud/docker-compose.yml
@@ -106,7 +106,7 @@ services:
     labels:
       - "io.portainer.accesscontrol.public"
       - "wud.watch=true"
-      - "wud.tag.include=^11\.4(?:\.\d+)?$"
+      - 'wud.tag.include=^11\.4(?:\.\d+)?$'
 #      - "wud.tag.exclude=${NEXTCLOUD_DB_VERSION}-*"
     healthcheck:
       test: ["CMD-SHELL", "mariadb-admin ping -u $$MYSQL_USER --password=$$(cat /run/secrets/nextcloud_db_password) --silent"]