1 files changed, 1 insertions, 1 deletions

diff --git a/src/keymap.c b/src/keymap.c
index 440df06ba4e..10000b935aa 100644
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -2387,7 +2387,7 @@ push_key_description (register unsigned int c, register char *p, int force_multi
       /* Now we are sure that C is a valid character code.  */
       if (NILP (BVAR (current_buffer, enable_multibyte_characters))
           && ! force_multibyte)
-        *p++ = multibyte_char_to_unibyte (c, Qnil);
+        *p++ = multibyte_char_to_unibyte (c);
       else
         p += CHAR_STRING (c, (unsigned char *) p);
     }