Prefer `rb_error_arity` to `rb_check_arity` when it can be used

1 files changed, 1 insertions, 2 deletions

diff --git a/numeric.c b/numeric.c
index 1fce19ac0b..90eabc29e0 100644
--- a/numeric.c
+++ b/numeric.c
@@ -3418,8 +3418,7 @@ int_chr(int argc, VALUE *argv, VALUE num)
       case 1:
 	break;
       default:
-	rb_check_arity(argc, 0, 1);
-	break;
+	rb_error_arity(argc, 0, 1);
     }
     enc = rb_to_encoding(argv[0]);
     if (!enc) enc = rb_ascii8bit_encoding();