diff --git a/lib/OpenLayers/Popup.js b/lib/OpenLayers/Popup.js
index 0f7e810656..8c0b8eb114 100644
--- a/lib/OpenLayers/Popup.js
+++ b/lib/OpenLayers/Popup.js
@@ -207,6 +207,10 @@ OpenLayers.Popup.prototype = {
             this.div.style.width = this.size.w + "px";
             this.div.style.height = this.size.h + "px";
         }
+		if (this.contentDiv != null){
+			this.contentDiv.style.width = this.size.w + "px";
+			this.contentDiv.style.height = this.size.h + "px";
+		}
     },  
 
     /**