diff --git a/include/wx/msw/wince/setup.h b/include/wx/msw/wince/setup.h
index 9418b8a25d..3c35a37184 100644
--- a/include/wx/msw/wince/setup.h
+++ b/include/wx/msw/wince/setup.h
@@ -1109,6 +1109,9 @@
 #define wxUSE_RICHEDIT2 0
 #define wxUSE_UXTHEME 0
 #define wxUSE_UXTHEME_AUTO 0
+#ifndef wxUSE_UNICODE_MSLU
+    #define wxUSE_UNICODE_MSLU 0
+#endif
 
 // ----------------------------------------------------------------------------
 // Crash debugging helpers