diff --git a/roles/framadate/tasks/main.yml b/roles/framadate/tasks/main.yml
index 45b31cdc..572e8a8a 100644
--- a/roles/framadate/tasks/main.yml
+++ b/roles/framadate/tasks/main.yml
@@ -61,7 +61,7 @@
     password: "{{ framadate.admin_password }}"
     owner: root
     group: www-data
-    mode: 640
+    mode: 0640
 
 - name: Configure nginx site
   template: