diff --git a/roles/network/tasks/detected_network.yml b/roles/network/tasks/detected_network.yml
index 6848199dc..29b0bd73d 100644
--- a/roles/network/tasks/detected_network.yml
+++ b/roles/network/tasks/detected_network.yml
@@ -144,12 +144,12 @@
 - name: 2 or more devices on the LAN - use bridging
   set_fact:
       iiab_lan_iface: br0
-  when: num_lan_interfaces >= 2 and not is_rpi
+  when: num_lan_interfaces|int >= 2 and not is_rpi
 
 - name: For Debian, always use bridging - except RPi
   set_fact:
       iiab_lan_iface: br0
-  when: num_lan_interfaces >= 1 and is_debuntu and not is_rpi
+  when: num_lan_interfaces|int >= 1 and is_debuntu and not is_rpi
 
 - name: WiFi is on the LAN - use bridging - except RPi
   set_fact: