diff --git a/html/admin/js/graphViewer/jasmine_test/helper/eventHelper.js b/html/admin/js/graphViewer/jasmine_test/helper/eventHelper.js
index 4dca145329..a629eb468a 100644
--- a/html/admin/js/graphViewer/jasmine_test/helper/eventHelper.js
+++ b/html/admin/js/graphViewer/jasmine_test/helper/eventHelper.js
@@ -65,7 +65,7 @@ var helper = helper || {};
     var evt = document.createEvent("MouseEvents"),
       testee = document.getElementById(objectId);
     evt.initMouseEvent("DOMMouseScroll", true, true, window,
-      10, 0, 0, 0, 0, false, false, false, false, 0, null);
+      -10, 0, 0, 0, 0, false, false, false, false, 0, null);
     testee.dispatchEvent(evt);
   };
   
@@ -73,7 +73,7 @@ var helper = helper || {};
     var evt = document.createEvent("MouseEvents"),
       testee = document.getElementById(objectId);
     evt.initMouseEvent("DOMMouseScroll", true, true, window,
-      -10, 0, 0, 0, 0, false, false, false, false, 0, null);
+      10, 0, 0, 0, 0, false, false, false, false, 0, null);
     testee.dispatchEvent(evt);
   };
   
@@ -84,4 +84,4 @@ var helper = helper || {};
     $("body").trigger(press);
   };
   
-}());
\ No newline at end of file
+}());
diff --git a/html/admin/js/graphViewer/jasmine_test/specZoomManager/zoomManagerSpec.js b/html/admin/js/graphViewer/jasmine_test/specZoomManager/zoomManagerSpec.js
index 85ca0acd12..44924069a6 100644
--- a/html/admin/js/graphViewer/jasmine_test/specZoomManager/zoomManagerSpec.js
+++ b/html/admin/js/graphViewer/jasmine_test/specZoomManager/zoomManagerSpec.js
@@ -479,4 +479,4 @@
     });
   });
 
-}());
\ No newline at end of file
+}());