diff --git a/ganttzk/src/main/resources/web/js/ganttz/DependencyComponent.js b/ganttzk/src/main/resources/web/js/ganttz/DependencyComponent.js
index 86c48ec70..d6cb1535e 100644
--- a/ganttzk/src/main/resources/web/js/ganttz/DependencyComponent.js
+++ b/ganttzk/src/main/resources/web/js/ganttz/DependencyComponent.js
@@ -346,7 +346,7 @@ ganttz.UnlinkedDependencyComponent = zk.$extends(ganttz.DependencyComponentBase,
                     DOMinnerlayout.scrollLeft();
         var ypos =    this._WGTganttpanel.getYMouse() -
                     findPosY(DOMinnerlayout) +
-                    innerLayout.scrollTop() -
+                    DOMinnerlayout.scrollTop() -
                     this._DOMlisttasks.position().top;
 
         var task, coordTask;