diff --git a/src/components/structures/LeftPanel.js b/src/components/structures/LeftPanel.js
index f3ca005f55..416012c5f1 100644
--- a/src/components/structures/LeftPanel.js
+++ b/src/components/structures/LeftPanel.js
@@ -107,37 +107,33 @@ var LeftPanel = React.createClass({
     },
 
     _onMoveFocus: function(up) {
-        var element = this.focusedElement;
+        let element = this.focusedElement;
 
         // unclear why this isn't needed
         // var descending = (up == this.focusDirection) ? this.focusDescending : !this.focusDescending;
         // this.focusDirection = up;
 
-        var descending = false; // are we currently descending or ascending through the DOM tree?
-        var classes;
+        let descending = false; // are we currently descending or ascending through the DOM tree?
+        let classes;
 
         do {
-            var child = up ? element.lastElementChild : element.firstElementChild;
-            var sibling = up ? element.previousElementSibling : element.nextElementSibling;
+            const child = up ? element.lastElementChild : element.firstElementChild;
+            const sibling = up ? element.previousElementSibling : element.nextElementSibling;
 
             if (descending) {
                 if (child) {
                     element = child;
-                }
-                else if (sibling) {
+                } else if (sibling) {
                     element = sibling;
-                }
-                else {
+                } else {
                     descending = false;
                     element = element.parentElement;
                 }
-            }
-            else {
+            } else {
                 if (sibling) {
                     element = sibling;
                     descending = true;
-                }
-                else {
+                } else {
                     element = element.parentElement;
                 }
             }
@@ -149,8 +145,7 @@ var LeftPanel = React.createClass({
                     descending = true;
                 }
             }
-
-        } while(element && !(
+        } while (element && !(
             classes.contains("mx_RoomTile") ||
             classes.contains("mx_SearchBox_search") ||
             classes.contains("mx_RoomSubList_ellipsis")));