diff --git a/src/components/channelmapper/channelmapper.js b/src/components/channelmapper/channelmapper.js
index d1fdcb1985..841a6a81af 100644
--- a/src/components/channelmapper/channelmapper.js
+++ b/src/components/channelmapper/channelmapper.js
@@ -3,8 +3,9 @@ define(["dialogHelper", "loading", "connectionManager", "globalize", "actionshee
 
     return function (options) {
         function parentWithClass(elem, className) {
-            for (; !elem.classList || !elem.classList.contains(className);) {
-                if (!(elem = elem.parentNode)) {
+            while (!elem.classList || !elem.classList.contains(className)) {
+                elem = elem.parentNode;
+                if (!elem) {
                     return null;
                 }
             }