diff -r 41300fa6a67c -r f7bc934e204c src/gui/kernel/qguifunctions_wince.cpp
--- a/src/gui/kernel/qguifunctions_wince.cpp	Tue Feb 02 00:43:10 2010 +0200
+++ b/src/gui/kernel/qguifunctions_wince.cpp	Wed Mar 31 11:06:36 2010 +0300
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -278,7 +278,14 @@
 
 bool qt_wince_is_windows_mobile_65()
 {
-    return ((qt_wince_get_version() == 52) && (qt_wince_get_build() > 2000));
+    const DWORD dwFirstWM65BuildNumber = 21139;
+    OSVERSIONINFO osvi;
+    osvi.dwOSVersionInfoSize = sizeof(osvi);
+    if (!GetVersionEx(&osvi))
+        return false;
+    return osvi.dwMajorVersion > 5
+        || (osvi.dwMajorVersion == 5 && (osvi.dwMinorVersion > 2 ||
+            (osvi.dwMinorVersion == 2 && osvi.dwBuildNumber >= dwFirstWM65BuildNumber)));
 }
 
 bool qt_wince_is_pocket_pc() {