diff --git a/customers/base/nextcloud-deployment.yml b/customers/base/nextcloud-deployment.yml
index b6fed7c..f37f41a 100644
--- a/customers/base/nextcloud-deployment.yml
+++ b/customers/base/nextcloud-deployment.yml
@@ -192,3 +192,4 @@ spec:
             items:
               - key: "config.php"
                 path: "config.php"
+            defaultMode: 0666