1 files changed, 3 insertions, 3 deletions

diff --git a/src/buffer.h b/src/buffer.h
index 85b5631736f..c97e3d8fa51 100644
--- a/src/buffer.h
+++ b/src/buffer.h
@@ -295,7 +295,7 @@ extern void enlarge_buffer_text (struct buffer *, ptrdiff_t);
   do                                                                    \
     {                                                                   \
       Lisp_Object __pos = (pos);                                        \
-      if (NUMBERP (__pos))                                              \
+      if (FIXED_OR_FLOATP (__pos))                                              \
         {                                                               \
           charpos = __pos;                                              \
           bytepos = buf_charpos_to_bytepos (current_buffer, __pos);     \
@@ -1387,7 +1387,7 @@ downcase (int c)
 {
   Lisp_Object downcase_table = BVAR (current_buffer, downcase_table);
   Lisp_Object down = CHAR_TABLE_REF (downcase_table, c);
-  return NATNUMP (down) ? XFASTINT (down) : c;
+  return FIXNATP (down) ? XFASTINT (down) : c;
 }
 
 /* Upcase a character C, or make no change if that cannot be done. */
@@ -1396,7 +1396,7 @@ upcase (int c)
 {
   Lisp_Object upcase_table = BVAR (current_buffer, upcase_table);
   Lisp_Object up = CHAR_TABLE_REF (upcase_table, c);
-  return NATNUMP (up) ? XFASTINT (up) : c;
+  return FIXNATP (up) ? XFASTINT (up) : c;
 }
 
 /* True if C is upper case.  */