diff --git a/etc/inc/interfaces.inc b/etc/inc/interfaces.inc
index f5eebf275c..4b6b7e387e 100644
--- a/etc/inc/interfaces.inc
+++ b/etc/inc/interfaces.inc
@@ -1211,10 +1211,10 @@ function get_real_wan_interface() {
 function get_current_wan_address($interface = "wan") {
 	global $config, $g;
 
-	$interface = filter_translate_type_to_real_interface($interface);
-
 	$wancfg = $config['interfaces'][$interface];
 
+	$interface = filter_translate_type_to_real_interface($interface);
+
 	if(in_array($wancfg['ipaddr'], array('dhcp'))) {
 		/* get interface info with netstat */
 		exec("/usr/bin/netstat -nWI " . escapeshellarg($interface) . " -f inet", $ifinfo);