diff --git a/clientgui/stdwx.h b/clientgui/stdwx.h
index a55b931d49..d381ba750c 100644
--- a/clientgui/stdwx.h
+++ b/clientgui/stdwx.h
@@ -103,6 +103,7 @@
 #if !defined(__CYGWIN32__) && !defined(__MINGW32__)
 #include <crtdbg.h>
 #endif
+#include <share.h>
 #include <ole2.h>
 #include <oleauto.h>