diff --git a/lib/OpenLayers/Map.js b/lib/OpenLayers/Map.js
index 2b824ef1b2..d264226cd3 100644
--- a/lib/OpenLayers/Map.js
+++ b/lib/OpenLayers/Map.js
@@ -595,13 +595,14 @@ OpenLayers.Map.prototype = {
             this.size = oldSize = newSize;
         if (!newSize.equals(oldSize)) {
             
+            // store the new size
+            this.size = newSize;
+
             //notify layers of mapresize
             for(var i=0; i < this.layers.length; i++) {
                 this.layers[i].onMapResize();                
             }
             
-            // store the new size
-            this.size = newSize;
             // the div might have moved on the page, also
             this.events.element.offsets = null;