diff --git a/src/editor/EditorManager.js b/src/editor/EditorManager.js
index acca38a80dc..e4e8261f768 100644
--- a/src/editor/EditorManager.js
+++ b/src/editor/EditorManager.js
@@ -644,8 +644,10 @@ define(function (require, exports, module) {
      * @param {!string} fullPath  path to the file displayed in the custom view
      */
     function showCustomViewer(provider, fullPath) {
-        var $customView = provider.getCustomViewHolder(fullPath);
-
+        if (_currentlyViewedPath === fullPath) {
+            return;
+        }
+        
         DocumentManager._clearCurrentDocument();
     
         // Hide the not-editor
@@ -654,7 +656,7 @@ define(function (require, exports, module) {
         _removeCustomViewer();
         
         _nullifyEditor();
-        _$currentCustomViewer = $customView;
+        _$currentCustomViewer = provider.getCustomViewHolder(fullPath);
         // place in window
         $("#editor-holder").append(_$currentCustomViewer);