diff --git a/roles/backup_client/handlers/main.yml b/roles/backup_client/handlers/main.yml
index 0b13694ad16178a674ac4f1c911308a109854571..bb42e51c762fc7dc69777db0c94b94f3e3778fbf 100644
--- a/roles/backup_client/handlers/main.yml
+++ b/roles/backup_client/handlers/main.yml
@@ -15,7 +15,7 @@
     state: directory
     owner: root
     group: root
-    mode: 0700
+    mode: "0700"
 
 - name: Import private keys  # noqa no-changed-when
   # [no-changed-when] Commands should not change things if nothing needs doing