diff --git a/roles/network/tasks/debian.yml b/roles/network/tasks/debian.yml
index 230de8432..74ca452c7 100644
--- a/roles/network/tasks/debian.yml
+++ b/roles/network/tasks/debian.yml
@@ -41,7 +41,7 @@
   template:
     dest: /etc/network/interfaces.d/iiab
     src: network/systemd.j2
-  when: not is_raspbian (iiab_lan_iface == "br0" or wan_ip != "dhcp" or gui_static_wan_ip == "undefined")
+  when: not is_raspbian and (iiab_lan_iface == "br0" or wan_ip != "dhcp" or gui_static_wan_ip == "undefined")
 
 - name: Copy the bridge script for RPi
   template: