diff --git a/include/wingdi.h b/include/wingdi.h
index 008ba9e6383..34b54ebf463 100644
--- a/include/wingdi.h
+++ b/include/wingdi.h
@@ -3452,6 +3452,7 @@ UINT      WINAPI GetEnhMetaFileHeader(HENHMETAFILE,UINT,LPENHMETAHEADER);
 UINT      WINAPI GetEnhMetaFilePaletteEntries(HENHMETAFILE,UINT,LPPALETTEENTRY);
 DWORD     WINAPI GetFontData(HDC,DWORD,DWORD,LPVOID,DWORD);
 DWORD     WINAPI GetFontLanguageInfo(HDC);
+DWORD     WINAPI GetFontUnicodeRanges(HDC,LPGLYPHSET);
 DWORD     WINAPI GetGlyphIndicesA(HDC,LPCSTR,INT,LPWORD,DWORD);
 DWORD     WINAPI GetGlyphIndicesW(HDC,LPCWSTR,INT,LPWORD,DWORD);
 #define   GetGlyphIndices WINELIB_NAME_AW(GetGlyphIndices)