diff --git a/index.js b/index.js
index 52cfcec..1fa0e91 100644
--- a/index.js
+++ b/index.js
@@ -972,7 +972,7 @@ const ContainerService = {
   },
 
   _refreshNeeded() {
-    return this.configureWindows();
+    return this._configureWindows();
   },
 
   _hideAllPanels() {