--- a/homescreensrv_plat/taskswitcher_api/tspropertydefs.h	Tue Jul 06 14:37:10 2010 +0300
+++ b/homescreensrv_plat/taskswitcher_api/tspropertydefs.h	Wed Aug 18 10:05:49 2010 +0300
@@ -19,7 +19,7 @@
 
 namespace TsProperty {
 
-#if defined(Q_OS_SYMBIAN)
+#if defined(__SYMBIAN32__) || defined(SYMBIAN)
     const TUid KCategory = {0x20022fc5};
     const TUint KVisibilityKey = 0x2002677F;
 #endif