diff --git a/files/usr/local/bin/aredn_postupgrade b/files/usr/local/bin/aredn_postupgrade
index 3ef0c8fd..5d941757 100755
--- a/files/usr/local/bin/aredn_postupgrade
+++ b/files/usr/local/bin/aredn_postupgrade
@@ -107,7 +107,7 @@ do
 end
 
 -- specific settings for variables that are not in the default config but are added by the system
-for _, key in ipairs({ 'dmz_dhcp_end', 'dmz_dhcp_limit', 'dmz_dhcp_start', 'dmz_lan_ip', 'dmz_lan_mask', 'wifi_rxant', 'wifi_txant', 'wan_gw', 'wan_ip', 'wan_mask' })
+for _, key in ipairs({ 'dmz_dhcp_end', 'dmz_dhcp_limit', 'dmz_dhcp_start', 'dmz_lan_ip', 'dmz_lan_mask', 'wifi_rxant', 'wifi_txant', 'wan_gw', 'wan_ip', 'wan_mask', 'wan_intf' })
 do
     local v = cfg[key]
     if v then