1 files changed, 3 insertions, 3 deletions

diff --git a/src/doprnt.c b/src/doprnt.c
index b88acf42118..7734f9bfec4 100644
--- a/src/doprnt.c
+++ b/src/doprnt.c
@@ -267,7 +267,7 @@ doprnt1 (lispstrings, buffer, bufsize, format, format_end, nargs, args)
                 {
                   /* Truncate the string at character boundary.  */
                   tem = bufsize;
-                  while (!CHAR_HEAD_P (string + tem - 1)) tem--;
+                  while (!CHAR_HEAD_P (string[tem - 1])) tem--;
                   bcopy (string, bufptr, tem);
                   /* We must calculate WIDTH again.  */
                   width = strwidth (bufptr, tem);
@@ -310,8 +310,8 @@ doprnt1 (lispstrings, buffer, bufsize, format, format_end, nargs, args)
         char *save_bufptr = bufptr;
 
         do { *bufptr++ = *fmt++; }
-        while (--bufsize > 0 && !CHAR_HEAD_P (fmt));
-        if (!CHAR_HEAD_P (fmt))
+        while (--bufsize > 0 && !CHAR_HEAD_P (*fmt));
+        if (!CHAR_HEAD_P (*fmt))
           {
             bufptr = save_bufptr;
             break;