diff --git a/dlls/gdi32/font.c b/dlls/gdi32/font.c
index fcb024beb6..0dfd5b1fc6 100644
--- a/dlls/gdi32/font.c
+++ b/dlls/gdi32/font.c
@@ -3023,7 +3023,7 @@ BOOL WINAPI TranslateCharsetInfo(
 DWORD WINAPI GetFontLanguageInfo(HDC hdc)
 {
 	FONTSIGNATURE fontsig;
-	static const DWORD GCP_DBCS_MASK=FS_THAI|FS_JISJAPAN|FS_CHINESESIMP|FS_WANSUNG|FS_CHINESETRAD|FS_JOHAB,
+	static const DWORD GCP_DBCS_MASK=FS_JISJAPAN|FS_CHINESESIMP|FS_WANSUNG|FS_CHINESETRAD|FS_JOHAB,
 		GCP_DIACRITIC_MASK=0x00000000,
 		FLI_GLYPHS_MASK=0x00000000,
 		GCP_GLYPHSHAPE_MASK=FS_ARABIC,