diff --git a/usr/local/www/load_balancer_pool_edit.php b/usr/local/www/load_balancer_pool_edit.php
index c3e31c14ff..c914fe6b13 100755
--- a/usr/local/www/load_balancer_pool_edit.php
+++ b/usr/local/www/load_balancer_pool_edit.php
@@ -100,7 +100,7 @@ if ($_POST) {
 			$ifdescrs['opt' . $j] = "opt" . $j;
 		}
 		foreach($ifdescrs as $iface) {
-			if($iface['gateway'] == $_POST['gateway']) 
+			if($config[$iface]['gateway'] == $_POST['gateway']) 
 				$input_errors[] = "{$iface['gateway']} is currently being referenced by a interface ip address.";
 		}
 	}