diff --git a/charts/unifi-network-application/templates/deployment.yaml b/charts/unifi-network-application/templates/deployment.yaml
index 4ef8766..81ca271 100644
--- a/charts/unifi-network-application/templates/deployment.yaml
+++ b/charts/unifi-network-application/templates/deployment.yaml
@@ -22,7 +22,7 @@ spec:
         - name: {{ include "template.fullname" . }}-mongodb-init-volume
           configMap:
             name: {{ include "template.fullname" . }}-mongodb-init-sh
-            defaultMode: 770
+            defaultMode: 0770
         - name: {{ include "template.fullname" . }}-mongodb-data-volume
           persistentVolumeClaim:
             claimName: {{ include "template.fullname" . }}-{{ default "db-claim" .Values.mongodb.persistence.claimSuffix }}