diff --git a/lib/OpenLayers/Layer/Bing.js b/lib/OpenLayers/Layer/Bing.js
index d0c5680770..fbdbe5fdb4 100644
--- a/lib/OpenLayers/Layer/Bing.js
+++ b/lib/OpenLayers/Layer/Bing.js
@@ -240,7 +240,7 @@ OpenLayers.Layer.Bing = OpenLayers.Class(OpenLayers.Layer.XYZ, {
      */
     updateAttribution: function() {
         var metadata = this.metadata;
-        if (!metadata.resourceSets || !this.map || !this.map.center) {
+        if (!metadata.resourceSets || !metadata.resourceSets.length || !this.map || !this.map.center) {
             return;
         }
         var res = metadata.resourceSets[0].resources[0];
@@ -325,7 +325,9 @@ OpenLayers.Layer.Bing = OpenLayers.Class(OpenLayers.Layer.XYZ, {
  */
 OpenLayers.Layer.Bing.processMetadata = function(metadata) {
     this.metadata = metadata;
-    this.initLayer();
+    if(this.metadata && this.metadata.resourceSets && this.metadata.resourceSets.length != 0){
+        this.initLayer();
+    }
     var script = document.getElementById(this._callbackId);
     script.parentNode.removeChild(script);
     window[this._callbackId] = undefined; // cannot delete from window in IE