diff --git a/extension.js b/extension.js
index 364d33e..466d57b 100644
--- a/extension.js
+++ b/extension.js
@@ -57,15 +57,14 @@ let status;
 let launcher;
 let grids;
 let monitors;
-let tracker;
 let nbCols;
 let nbRows;
 let area;
+let tracker;
 let focusMetaWindow = false;
 let focusWindowActor = false;
 let focusMetaWindowConnections = new Array();
 let focusMetaWindowPrivateConnections = new Array();
-let tracker;
 let gridSettings = new Object();
 let settings = Settings.get();
 let toggleSettingListener;