diff --git a/src/mbyte.c b/src/mbyte.c
index a68ba7b..d8c47ac 100644
--- a/src/mbyte.c
+++ b/src/mbyte.c
@@ -3801,6 +3801,15 @@
  * two characters otherwise.
  */
     int
+mb_strnicmp2(char_u *s1, char_u *s2, size_t n1, size_t n2)
+{
+    if (n1 == n2 || !enc_utf8)
+	return mb_strnicmp(s1, s2, n1);
+    else
+	return utf_strnicmp(s1, s2, n1, n2);
+}
+
+    int
 mb_strnicmp(char_u *s1, char_u *s2, size_t nn)
 {
     int		i, l;