diff --git a/include/winnls.h b/include/winnls.h
index 7e9bfa528f9..693cb30add9 100644
--- a/include/winnls.h
+++ b/include/winnls.h
@@ -877,6 +877,7 @@ WINBASEAPI INT         WINAPI GetDateFormatEx(LPCWSTR,DWORD,const SYSTEMTIME*,LP
 WINBASEAPI INT         WINAPI GetDateFormatW(LCID,DWORD,const SYSTEMTIME*,LPCWSTR,LPWSTR,INT);
 #define                       GetDateFormat WINELIB_NAME_AW(GetDateFormat)
 WINBASEAPI BOOL        WINAPI GetFileMUIInfo(DWORD,PCWSTR,PFILEMUIINFO,DWORD*);
+WINBASEAPI BOOL        WINAPI GetFileMUIPath(DWORD,PCWSTR,PWSTR,PULONG,PWSTR,PULONG,PULONGLONG);
 WINBASEAPI INT         WINAPI GetGeoInfoA(GEOID,GEOTYPE,LPSTR,INT,LANGID);
 WINBASEAPI INT         WINAPI GetGeoInfoW(GEOID,GEOTYPE,LPWSTR,INT,LANGID);
 #define                       GetGeoInfo WINELIB_NAME_AW(GetGeoInfo)