diff --git a/lib/OpenLayers.js b/lib/OpenLayers.js
index 5cbefbb5ed..b792ede9ec 100644
--- a/lib/OpenLayers.js
+++ b/lib/OpenLayers.js
@@ -43,7 +43,7 @@
          * {String} Path to this script
          */
         _getScriptLocation: function () {
-            if(scriptLocation) {
+            if (scriptLocation != undefined) {
                 return scriptLocation;
             }
             scriptLocation = "";