1 files changed, 4 insertions, 0 deletions

diff --git a/src/cmds.c b/src/cmds.c
index c6a94b1f3b8..c1f92c745f6 100644
--- a/src/cmds.c
+++ b/src/cmds.c
@@ -354,6 +354,10 @@ internal_self_insert (c, noautofill)
     {
       c = unibyte_char_to_multibyte (c);
       len = CHAR_STRING (c, workbuf, str);
+      if (len == 1)
+        /* If C has modifier bits, this makes C an appropriate
+           one-byte char.  */
+        c = *str;
     }
   else
     {