diff --git a/lib/OpenLayers/Events.js b/lib/OpenLayers/Events.js
index b055965e84..bd8a6d6d6d 100644
--- a/lib/OpenLayers/Events.js
+++ b/lib/OpenLayers/Events.js
@@ -929,7 +929,7 @@ OpenLayers.Events = OpenLayers.Class({
      * calculated values.
      */
     getTouchClientXY: function (evt) {
-        var win = window._mockWin || window,
+        var win = window.olMockWin || window,
             winPageX = win.pageXOffset,
             winPageY = win.pageYOffset,
             x = evt.clientX,
diff --git a/tests/Events.html b/tests/Events.html
index 5a1809efb7..03c540c26b 100644
--- a/tests/Events.html
+++ b/tests/Events.html
@@ -314,7 +314,7 @@
         t.eq(evt.clientY, 1.5, "evt.clientY value is correct");
         
         // test bug where clientX/clientY includes scroll offset
-        window._mockWin = {
+        window.olMockWin = {
             pageXOffset: 10,
             pageYOffset: 20
         };
@@ -345,7 +345,7 @@
         t.eq(evt.clientX, 1, "evt.clientX value is correct");
         t.eq(evt.clientY, 1, "evt.clientY value is correct");
         
-        window._mockWin = {
+        window.olMockWin = {
             pageXOffset: 11,
             pageYOffset: 299
         };
@@ -362,7 +362,7 @@
         t.eq(evt.clientX, 231, "evt.clientX value is correct");
         t.eq(evt.clientY, 324, "evt.clientY value is correct");
         
-        window._mockWin = undefined;
+        window.olMockWin = undefined;
     }
     
     function test_Events_attachToElement(t) {