diff --git a/etc/rc.newwanip b/etc/rc.newwanip
index f9c23afcf1..beeb0b8d5d 100755
--- a/etc/rc.newwanip
+++ b/etc/rc.newwanip
@@ -76,6 +76,10 @@ else {
 	$curwanip = find_interface_ip($interface_real, true);
 	if($curwanip == "")
 		$curwanip = get_interface_ip($interface);
+	if (($curwanip == "") && !(isset($config['interfaces'][$interface]['ipaddr']))) {
+		log_error("Interface does not have an IP address, nothing to do.");
+		return;
+	}
 }
 
 log_error("rc.newwanip: on (IP address: {$curwanip}) (interface: {$interface}) (real interface: {$interface_real}).");