diff --git a/lib/OpenLayers/Layer/WMS/Untiled.js b/lib/OpenLayers/Layer/WMS/Untiled.js
index 9536e0aa64..92efa46ff7 100644
--- a/lib/OpenLayers/Layer/WMS/Untiled.js
+++ b/lib/OpenLayers/Layer/WMS/Untiled.js
@@ -193,7 +193,7 @@ OpenLayers.Layer.WMS.Untiled.prototype =
         OpenLayers.Layer.HTTPRequest.prototype.mergeNewParams.apply(this, 
                                                                  newArguments);
         //redraw
-        this.moveTo();
+        this.moveTo(null, true);
     },
     
     /** combine the layer's url with its params and these newParams.