diff --git a/lib/OpenLayers/Popup.js b/lib/OpenLayers/Popup.js
index 50274d5c2d..d28e40a76b 100644
--- a/lib/OpenLayers/Popup.js
+++ b/lib/OpenLayers/Popup.js
@@ -685,7 +685,9 @@ OpenLayers.Popup = OpenLayers.Class({
         // 'img' properties in the context.
         //
         var onImgLoad = function() {
-            
+            if (this.popup.id === null) { // this.popup has been destroyed!
+                return;
+            }
             this.popup.updateSize();
      
             if ( this.popup.visible() && this.popup.panMapIfOutOfView ) {