1 files changed, 3 insertions, 3 deletions

diff --git a/src/buffer.c b/src/buffer.c
index 7951b7ac322..0c46b201586 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -3343,7 +3343,7 @@ record_overlay_string (struct sortstrlist *ssl, Lisp_Object str,
   else
     nbytes = SBYTES (str);
 
-  if (INT_ADD_WRAPV (ssl->bytes, nbytes, &nbytes))
+  if (ckd_add (&nbytes, nbytes, ssl->bytes))
     memory_full (SIZE_MAX);
   ssl->bytes = nbytes;
 
@@ -3357,7 +3357,7 @@ record_overlay_string (struct sortstrlist *ssl, Lisp_Object str,
       else
         nbytes = SBYTES (str2);
 
-      if (INT_ADD_WRAPV (ssl->bytes, nbytes, &nbytes))
+      if (ckd_add (&nbytes, nbytes, ssl->bytes))
         memory_full (SIZE_MAX);
       ssl->bytes = nbytes;
     }
@@ -3429,7 +3429,7 @@ overlay_strings (ptrdiff_t pos, struct window *w, unsigned char **pstr)
       unsigned char *p;
       ptrdiff_t total;
 
-      if (INT_ADD_WRAPV (overlay_heads.bytes, overlay_tails.bytes, &total))
+      if (ckd_add (&total, overlay_heads.bytes, overlay_tails.bytes))
         memory_full (SIZE_MAX);
       if (total > overlay_str_len)
         overlay_str_buf = xpalloc (overlay_str_buf, &overlay_str_len,