diff --git a/extension.js b/extension.js
index 6b57760..bba4f70 100644
--- a/extension.js
+++ b/extension.js
@@ -148,7 +148,7 @@ function _enable(extension) {
         });
     }
 
-    panelManager = new PanelManager();
+    panelManager = new PanelManager.PanelManager();
 
     panelManager.enable();
     
diff --git a/panelManager.js b/panelManager.js
index b996e9c..9dc222d 100755
--- a/panelManager.js
+++ b/panelManager.js
@@ -57,7 +57,7 @@ import { SecondaryMonitorDisplay, WorkspacesView } from 'resource:///org/gnome/s
 
 const Gi = imports._gi;
 
-var PanelManager = class {
+export var PanelManager = class {
 
     constructor() {
         this.overview = new Overview();
@@ -530,7 +530,7 @@ var PanelManager = class {
 
 // This class drives long-running icon animations, to keep them running in sync
 // with each other.
-var IconAnimator = class {
+export var IconAnimator = class {
 
     constructor(actor) {
         this._count = 0;