diff -r 5dc02b23752f -r 3e2da88830cd src/gui/util/qsystemtrayicon.cpp
--- a/src/gui/util/qsystemtrayicon.cpp	Tue Jul 06 15:10:48 2010 +0300
+++ b/src/gui/util/qsystemtrayicon.cpp	Wed Aug 18 10:37:55 2010 +0300
@@ -356,10 +356,7 @@
 */
 bool QSystemTrayIcon::supportsMessages()
 {
-#if defined(Q_WS_QWS)
-    return false;
-#endif
-    return true;
+    return QSystemTrayIconPrivate::supportsMessages_sys();
 }
 
 /*!