diff --git a/src/locale/langinfo.c b/src/locale/langinfo.c
index b16caf44e6bf298b9f145fac9456d2b69f180ab7..83be643300bb8f55ec4b47ed96709f5b43921dec 100644
--- a/src/locale/langinfo.c
+++ b/src/locale/langinfo.c
@@ -33,7 +33,7 @@ char *__nl_langinfo_l(nl_item item, locale_t loc)
 	int idx = item & 65535;
 	const char *str;
 
-	if (item == CODESET) return MB_CUR_MAX==1 ? "ASCII" : "UTF-8";
+	if (item == CODESET) return loc->cat[LC_CTYPE] ? "UTF-8" : "ASCII";
 
 	/* _NL_LOCALE_NAME extension */
 	if (idx == 65535 && cat < LC_ALL)