diff --git a/dashboard-ui/voice/voice.js b/dashboard-ui/voice/voice.js
index 1094ed77a6..64a2aafed1 100644
--- a/dashboard-ui/voice/voice.js
+++ b/dashboard-ui/voice/voice.js
@@ -250,7 +250,7 @@ define(['paperdialoghelper'], function (paperDialogHelper) {
 
                 var dlg = currentDialog;
                 if (dlg) {
-                    PaperDialogHelper.close(dlg);
+                    paperDialogHelper.close(dlg);
                 }
             });