1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmds.c b/src/cmds.c
index 15caa4a6972..37e1779296a 100644
--- a/src/cmds.c
+++ b/src/cmds.c
@@ -453,7 +453,7 @@ internal_self_insert (int c, EMACS_INT n)
 	}
 
       ptrdiff_t to;
-      if (INT_ADD_WRAPV (PT, chars_to_delete, &to))
+      if (ckd_add (&to, PT, chars_to_delete))
 	to = PTRDIFF_MAX;
       replace_range (PT, to, string, 1, 1, 1, 0, false);
       Fforward_char (make_fixnum (n));