diff --git a/lib/tiles/OfflineTilesEnablerLayer.js b/lib/tiles/OfflineTilesEnablerLayer.js
index 0097399..0d0bc3e 100644
--- a/lib/tiles/OfflineTilesEnablerLayer.js
+++ b/lib/tiles/OfflineTilesEnablerLayer.js
@@ -28,7 +28,7 @@ define([
                 callback(false);
             }
 
-            if( dbConfig === "undefined" || dbConfig === null){
+            if( dbConfig === undefined || dbConfig === null){
                 // Database properties
                 this.DB_NAME = "offline_tile_store";       // Sets the database name.
                 this.DB_OBJECTSTORE_NAME = "tilepath"; // Represents an object store that allows access to a set of data in the IndexedDB database