diff --git a/lib/OpenLayers/Strategy/BBOX.js b/lib/OpenLayers/Strategy/BBOX.js
index a43f210982..064a4b99de 100644
--- a/lib/OpenLayers/Strategy/BBOX.js
+++ b/lib/OpenLayers/Strategy/BBOX.js
@@ -206,7 +206,10 @@ OpenLayers.Strategy.BBOX = OpenLayers.Class(OpenLayers.Strategy, {
      *      returned by the layer protocol.
      */
     triggerRead: function() {
-        this.layer.protocol.abort(this.response);
+        if (this.response) {
+            this.layer.protocol.abort(this.response);
+            this.layer.events.triggerEvent("loadend");
+        }
         this.layer.events.triggerEvent("loadstart");
         this.response = this.layer.protocol.read({
             filter: this.createFilter(),
@@ -266,6 +269,7 @@ OpenLayers.Strategy.BBOX = OpenLayers.Class(OpenLayers.Strategy, {
             }
             this.layer.addFeatures(features);
         }
+        this.response = null;
         this.layer.events.triggerEvent("loadend");
     },