diff --git a/src/extensions/renderer/base/load-listeners.js b/src/extensions/renderer/base/load-listeners.js
index 173fa9e5f..fddbb658a 100644
--- a/src/extensions/renderer/base/load-listeners.js
+++ b/src/extensions/renderer/base/load-listeners.js
@@ -1046,6 +1046,7 @@ BRp.load = function(){
     r.hoverData.dragDelta = [];
     r.hoverData.mdownPos = null;
     r.hoverData.mdownGPos = null;
+    r.hoverData.which = null;
 
   }, false );