diff --git a/src/js/pannellum.js b/src/js/pannellum.js
index f5aeb6c..859cdc6 100644
--- a/src/js/pannellum.js
+++ b/src/js/pannellum.js
@@ -2882,7 +2882,8 @@ this.removeHotSpot = function(hotSpotId, sceneId) {
  * @instance
  */
 this.resize = function() {
-    onDocumentResize();
+    if (renderer)
+        onDocumentResize();
 }
 
 /**