diff --git a/ganttzk/src/main/java/org/zkoss/ganttz/ScriptsRequiredByPlanner.java b/ganttzk/src/main/java/org/zkoss/ganttz/ScriptsRequiredByPlanner.java
index 4033ab46e..dc4c04a5d 100644
--- a/ganttzk/src/main/java/org/zkoss/ganttz/ScriptsRequiredByPlanner.java
+++ b/ganttzk/src/main/java/org/zkoss/ganttz/ScriptsRequiredByPlanner.java
@@ -6,10 +6,10 @@ import org.zkoss.ganttz.util.script.ScriptsRequiredDeclaration;
 public class ScriptsRequiredByPlanner {
 
     public static final String SELECTOR = "/zkau/web/js/yui/2.7.0/selector/selector-min.js";
-    public static final String YAHOO_DOM_EVENT = "zkau/web/js/yui/2.7.0/yahoo-dom-event/yahoo-dom-event.js";
-    public static final String DRAGDROPMIN = "zkau/web/js/yui/2.7.0/dragdrop/dragdrop-min.js";
+    public static final String YAHOO_DOM_EVENT = "/zkau/web/js/yui/2.7.0/yahoo-dom-event/yahoo-dom-event.js";
+    public static final String DRAGDROPMIN = "/zkau/web/js/yui/2.7.0/dragdrop/dragdrop-min.js";
 
-    public static final String ELEMENT_MIN = "zkau/web/js/yui/2.7.0/element/element-min.js";
-    public static final String RESIZE_MIN = "zkau/web/js/yui/2.7.0/resize/resize-min.js";
-    public static final String LOGGER_MIN = "zkau/web/js/yui/2.7.0/logger/logger-min.js";
+    public static final String ELEMENT_MIN = "/zkau/web/js/yui/2.7.0/element/element-min.js";
+    public static final String RESIZE_MIN = "/zkau/web/js/yui/2.7.0/resize/resize-min.js";
+    public static final String LOGGER_MIN = "/zkau/web/js/yui/2.7.0/logger/logger-min.js";
 }