diff --git a/src/msw/thread.cpp b/src/msw/thread.cpp
index 195a2de6c7..cd7f167010 100644
--- a/src/msw/thread.cpp
+++ b/src/msw/thread.cpp
@@ -26,6 +26,8 @@
 #endif
 
 #ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/app.h"
 #endif
 
 #if wxUSE_THREADS