--- old/src/java.desktop/windows/native/libawt/windows/awt_Toolkit.cpp	2015-04-24 17:32:20.612936300 +0400
+++ new/src/java.desktop/windows/native/libawt/windows/awt_Toolkit.cpp	2015-04-24 17:32:19.534874700 +0400
@@ -1510,7 +1510,7 @@
      * the mouse, not the Component with the input focus.
      */
 
-    if (msg.message == WM_MOUSEWHEEL) {
+    if (msg.message == WM_MOUSEWHEEL || msg.message == WM_MOUSEHWHEEL) {
             //i.e. mouse is over client area for this window
             DWORD hWndForWheelProcess;
             DWORD hWndForWheelThread = ::GetWindowThreadProcessId(hWndForWheel, &hWndForWheelProcess);