nnn.c | 5 ++---

diff --git a/nnn.c b/nnn.c
index 5397be1a4b6d63f441d71309ae39795ecb7884b8..02b2bd65327ce9f1669a0a2322c76d8821b99caf 100644
--- a/nnn.c
+++ b/nnn.c
@@ -1013,10 +1013,9 @@ 	wchar_t *buf = (wchar_t *)g_buf;
 	size_t buflen = NAME_MAX - 1;
 
 	DPRINTF_S(fname)
-	mbstowcs(buf, fname, NAME_MAX);
-	len = pos = wcslen(buf);
+	len = pos = mbstowcs(buf, fname, NAME_MAX);
 	/* For future: handle NULL, say for a new name */
-	if (len <= 0) {
+	if (len == (size_t)-1) {
 		buf[0] = '\0';
 		len = pos = 0;
 	}