diff --git a/compat/mingw.c b/compat/mingw.c
index b5bc7c91ab..ceef246e19 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -374,9 +374,7 @@ int mingw_mkdir(const char *path, int mode)
 {
 	int ret;
 	wchar_t wpath[MAX_LONG_PATH];
-	/* CreateDirectoryW path limit is 248 (MAX_PATH - 8.3 file name) */
-	if (xutftowcs_path_ex(wpath, path, MAX_LONG_PATH, -1, 248,
-			core_long_paths) < 0)
+	if (xutftowcs_long_path(wpath, path) < 0)
 		return -1;
 
 	ret = _wmkdir(wpath);