1 files changed, 1 insertions, 1 deletions

diff --git a/src/coding.c b/src/coding.c
index 34773217cc7..8556591e92b 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -3638,7 +3638,7 @@ setup_coding_system (coding_system, coding)
         if (reg_bits)
           for (charset = 0; charset <= MAX_CHARSET; charset++)
             {
-              if (CHARSET_VALID_P (charset)
+              if (CHARSET_DEFINED_P (charset)
                   && (CODING_SPEC_ISO_REQUESTED_DESIGNATION (coding, charset)
                       == CODING_SPEC_ISO_NO_REQUESTED_DESIGNATION))
                 {