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Diffstat (limited to 'iconv/gconv_int.h')
-rw-r--r--iconv/gconv_int.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/iconv/gconv_int.h b/iconv/gconv_int.h
index 3b5f195b04..d9edcb079f 100644
--- a/iconv/gconv_int.h
+++ b/iconv/gconv_int.h
@@ -141,7 +141,7 @@ extern const char *__gconv_path_envvar;
     tmp = result = alloca (cp - (str) + 3 + suffix_len);		      \
     cp = (str);								      \
     while (*cp != '\0')							      \
-      *tmp++ = _toupper (*cp++);					      \
+      *tmp++ = __toupper_l (*cp++, &_nl_C_locobj);			      \
     if (cnt < 2)							      \
       {									      \
 	*tmp++ = '/';							      \