diff --git a/lib/OpenLayers/Layer/Grid.js b/lib/OpenLayers/Layer/Grid.js
index fecab71cda..b13af4afe2 100644
--- a/lib/OpenLayers/Layer/Grid.js
+++ b/lib/OpenLayers/Layer/Grid.js
@@ -55,19 +55,20 @@ OpenLayers.Layer.Grid.prototype = Object.extend( new OpenLayers.Layer(), {
         }
         if (!this.grid || zoomChanged) {
             this._initTiles();
-        } 
-        var i = 0;
-        while (this.getGridBounds().bottom > bounds.bottom) {
-           this.insertRow(false); 
-        }
-        while (this.getGridBounds().left > bounds.left) {
-           this.insertColumn(true); 
-        }
-        while (this.getGridBounds().top < bounds.top) {
-           this.insertRow(true); 
-        }
-        while (this.getGridBounds().right < bounds.right) {
-           this.insertColumn(false); 
+        } else { 
+            var i = 0;
+            while (this.getGridBounds().bottom > bounds.bottom) {
+               this.insertRow(false); 
+            }
+            while (this.getGridBounds().left > bounds.left) {
+               this.insertColumn(true); 
+            }
+            while (this.getGridBounds().top < bounds.top) {
+               this.insertRow(true); 
+            }
+            while (this.getGridBounds().right < bounds.right) {
+               this.insertColumn(false); 
+            }
         }
     },
     getGridBounds:function() {