diff --git a/roles/openvpn/tasks/main.yml b/roles/openvpn/tasks/main.yml
index 8a43d83b2..655e7eb6d 100644
--- a/roles/openvpn/tasks/main.yml
+++ b/roles/openvpn/tasks/main.yml
@@ -60,6 +60,7 @@
     owner: root
     group: root
     mode: 0644
+    backup: yes
 
 - name: Put up_wan in place (debuntu)
   template: