diff --git a/lib/OpenLayers/Feature/Vector.js b/lib/OpenLayers/Feature/Vector.js
index 905e146f40..4aec61de30 100644
--- a/lib/OpenLayers/Feature/Vector.js
+++ b/lib/OpenLayers/Feature/Vector.js
@@ -154,6 +154,7 @@ OpenLayers.Feature.Vector = OpenLayers.Class(OpenLayers.Feature, {
         }
             
         this.geometry = null;
+        this.modified = null;
         OpenLayers.Feature.prototype.destroy.apply(this, arguments);
     },