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-rw-r--r--mrbgems/mruby-io/src/io.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mrbgems/mruby-io/src/io.c b/mrbgems/mruby-io/src/io.c
index 32128fa07..6d76dc196 100644
--- a/mrbgems/mruby-io/src/io.c
+++ b/mrbgems/mruby-io/src/io.c
@@ -1047,7 +1047,7 @@ mrb_io_s_select(mrb_state *mrb, mrb_value klass)
mrb_get_args(mrb, "*", &argv, &argc);
if (argc < 1 || argc > 4) {
- mrb_raisef(mrb, E_ARGUMENT_ERROR, "wrong number of arguments (%i for 1..4)", argc);
+ mrb_num_args_error(mrb, argc, 1, 4);
}
timeout = mrb_nil_value();