diff --git a/lib/OpenLayers/Layer/Grid.js b/lib/OpenLayers/Layer/Grid.js
index f75e0668dd..01da4f4298 100644
--- a/lib/OpenLayers/Layer/Grid.js
+++ b/lib/OpenLayers/Layer/Grid.js
@@ -113,6 +113,8 @@ OpenLayers.Layer.Grid.prototype =
     moveTo:function(bounds, zoomChanged, minor) {
         if (!this.getVisibility()) {
             if (zoomChanged) {
+                //now clear out the old grid and start a new one
+                this.clearGrid();
                 this.grid = null;
             }
         } else {