diff --git a/roles/network/tasks/debian.yml b/roles/network/tasks/debian.yml
index c5ffbadc9..deb2b5e7e 100644
--- a/roles/network/tasks/debian.yml
+++ b/roles/network/tasks/debian.yml
@@ -46,7 +46,7 @@
 
 - name: Workaround auto issue on Debian-9
   template: dest=/etc/network/interfaces.d/patch_auto
-            src=network/debian-auto
+            src=network/debian-auto.j2
   when: iiab_wan_iface != "none" and is_debian_9
 
 - name: Clearing out /etc/network/interfaces for static addresses (is_debian_9)