diff --git a/lib/OpenLayers/Layer/Grid.js b/lib/OpenLayers/Layer/Grid.js
index 5cc262f270..3e583cfa5f 100644
--- a/lib/OpenLayers/Layer/Grid.js
+++ b/lib/OpenLayers/Layer/Grid.js
@@ -378,8 +378,8 @@ OpenLayers.Layer.Grid.prototype =
                 for(var iCol=0; iCol < row.length; iCol++) {
                     row[iCol].destroy();
                 }
-            this.grid = [];
             }
+            this.grid = [];
         }
     },