diff --git a/include/wx/msw/missing.h b/include/wx/msw/missing.h
index e630907950..83129ec448 100644
--- a/include/wx/msw/missing.h
+++ b/include/wx/msw/missing.h
@@ -381,5 +381,9 @@ typedef struct _paraformat2 {
     #define ENDSESSION_LOGOFF    0x80000000
 #endif
 
+#ifndef HANGUL_CHARSET
+    #define HANGUL_CHARSET  129
+#endif
+
 #endif
     // _WX_MISSING_H_
diff --git a/src/msw/utils.cpp b/src/msw/utils.cpp
index a036e1a10f..3850a53d10 100644
--- a/src/msw/utils.cpp
+++ b/src/msw/utils.cpp
@@ -34,6 +34,7 @@
 #include "wx/apptrait.h"
 
 #include "wx/msw/private.h"     // includes <windows.h>
+#include "wx/msw/missing.h"     // CHARSET_HANGUL
 
 #ifdef __GNUWIN32_OLD__
     // apparently we need to include winsock.h to get WSADATA and other stuff