diff --git a/templates/compose/joplin.yaml b/templates/compose/joplin.yaml
index 8860cee3a..9dbfd470c 100644
--- a/templates/compose/joplin.yaml
+++ b/templates/compose/joplin.yaml
@@ -8,7 +8,7 @@ services:
   postgres:
     image: 'postgres:16'
     volumes:
-      - joplin-postgresql-data:/var/lib/postgresql/data'
+      - joplin-postgresql-data:/var/lib/postgresql/data
     environment:
       - POSTGRES_PASSWORD=${SERVICE_PASSWORD_64_POSTGRES}
       - POSTGRES_USER=${SERVICE_USER_POSTGRES}