diff --git a/roles/vpn/templates/mobileconfig.j2 b/roles/vpn/templates/mobileconfig.j2
index b62bd026..44fbcbda 100644
--- a/roles/vpn/templates/mobileconfig.j2
+++ b/roles/vpn/templates/mobileconfig.j2
@@ -13,7 +13,7 @@
               <key>OnDemandRules</key>
               <array>
 {% if algo_ondemand_wifi_exclude != '_null' %}
-{% set WIFI_EXCLUDE_LIST = algo_ondemand_wifi_exclude.split(',') %}
+{% set WIFI_EXCLUDE_LIST = (algo_ondemand_wifi_exclude|string).split(',') %}
                   <dict>
                       <key>Action</key>
                       <string>Disconnect</string>