diff --git a/roles/local-ubuntu-repository/tasks/main.yml b/roles/local-ubuntu-repository/tasks/main.yml
index dd9be2b..92a24f8 100644
--- a/roles/local-ubuntu-repository/tasks/main.yml
+++ b/roles/local-ubuntu-repository/tasks/main.yml
@@ -7,7 +7,7 @@
     src: sources.list.j2
     group: root
     owner: root
-    mode: 0644
+    mode: "0644"
   when: ubuntu_apt_repo is defined
 
 - name: Capture Existing Respositories