1 files changed, 1 insertions, 1 deletions

diff --git a/src/keymap.c b/src/keymap.c
index 68c63c6d08b..e6bae09994e 100644
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -2130,7 +2130,7 @@ Control characters turn into "^char", etc.  */)
   CHECK_NUMBER (character);
 
   c = XINT (character);
-  if (!SINGLE_BYTE_CHAR_P (c))
+  if (!ASCII_CHAR_P (c))
     {
       int len = CHAR_STRING (c, str);