diff --git a/lib/OpenLayers/Layer/Vector.js b/lib/OpenLayers/Layer/Vector.js
index 93b47d5de7..21beeceac0 100644
--- a/lib/OpenLayers/Layer/Vector.js
+++ b/lib/OpenLayers/Layer/Vector.js
@@ -736,9 +736,10 @@ OpenLayers.Layer.Vector = OpenLayers.Class(OpenLayers.Layer, {
      */
     getDataExtent: function () {
         var maxExtent = null;
-        if( this.features && (this.features.length > 0)){
-            var maxExtent = this.features[0].geometry.getBounds();
-            for(var i=0, len=this.features.length; i<len; i++){
+
+        if(this.features && (this.features.length > 0)) {
+            maxExtent = new OpenLayers.Bounds();
+            for(var i=0, len=this.features.length; i<len; i++) {
                 maxExtent.extend(this.features[i].geometry.getBounds());
             }
         }
diff --git a/tests/Layer/Vector.html b/tests/Layer/Vector.html
index 5cb3708b93..0d61e7c66b 100644
--- a/tests/Layer/Vector.html
+++ b/tests/Layer/Vector.html
@@ -107,6 +107,20 @@
         t.eq(extent.toBBOX(), "-111.04,45.68,-111.04,45.68", "extent from getDataExtent is correct");
     }
 
+    function test_Layer_Vector_getDataExtent(t) {
+        t.plan(1);
+        var layer = new OpenLayers.Layer.Vector(name);
+
+        var point = new OpenLayers.Geometry.Point(-111.04, 45.68);
+        var pointFeature = new OpenLayers.Feature.Vector(point);
+        layer.addFeatures([pointFeature]);
+        var point = new OpenLayers.Geometry.Point(-111.04, 5.68);
+        var pointFeature = new OpenLayers.Feature.Vector(point);
+        layer.addFeatures([pointFeature]);
+        var extent = layer.getDataExtent();
+        t.ok(extent.toBBOX() != layer.features[0].geometry.getBounds().toBBOX(), "extent from getDataExtent doesn't clobber first feature");
+    }
+
     function test_Layer_Vector_removeFeatures(t) {
         t.plan(6);