diff --git a/wst/trunk/wst_global.inc b/wst/trunk/wst_global.inc
index 329bc1a4e..d844a3ebd 100644
--- a/wst/trunk/wst_global.inc
+++ b/wst/trunk/wst_global.inc
@@ -81,6 +81,14 @@
       {$DEFINE WST_TKPOINTER}
       {$DEFINE WST_TKPROCEDURE}
     {$ENDIF}
+    {$IFDEF VER220} // Delphi XE
+      {$DEFINE HAS_BUILT_IN_64UINT}
+      {$DEFINE WST_UNICODESTRING}
+      {$DEFINE USE_INLINE}
+      {$DEFINE WST_TKCLASSREF}
+      {$DEFINE WST_TKPOINTER}
+      {$DEFINE WST_TKPROCEDURE}
+    {$ENDIF}
     {$DEFINE WST_SEMAPHORE_TIMEOUT}
     {$IFDEF MSWINDOWS}
       {$IFNDEF WINDOWS}