diff --git a/lib/OpenLayers/Popup/FramedCloud.js b/lib/OpenLayers/Popup/FramedCloud.js
index c9fc2d8755..f99eaa250e 100644
--- a/lib/OpenLayers/Popup/FramedCloud.js
+++ b/lib/OpenLayers/Popup/FramedCloud.js
@@ -32,7 +32,7 @@ OpenLayers.Popup.FramedCloud =
      * Property: imageSrc
      * {String}
      */
-    imageSrc: OpenLayers.Util.getImagesLocation() + 'cloud-popup-relative.png',
+    imageSrc: null,
 
     /**
      * APIProperty: imageSize
@@ -216,6 +216,7 @@ OpenLayers.Popup.FramedCloud =
 
         OpenLayers.Popup.Framed.prototype.initialize.apply(this, arguments);
         this.contentDiv.className = "olFramedCloudPopupContent";
+        this.imageSrc = OpenLayers.Util.getImagesLocation() + 'cloud-popup-relative.png';
     },
 
     /**