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-rw-r--r--mrbgems/mruby-struct/src/struct.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mrbgems/mruby-struct/src/struct.c b/mrbgems/mruby-struct/src/struct.c
index 2d82c2466..726b66f96 100644
--- a/mrbgems/mruby-struct/src/struct.c
+++ b/mrbgems/mruby-struct/src/struct.c
@@ -274,7 +274,7 @@ mrb_struct_s_def(mrb_state *mrb, mrb_value klass)
name = mrb_nil_value();
mrb_get_args(mrb, "*&", &argv, &argc, &b);
if (argc == 0) { /* special case to avoid crash */
- mrb_raise(mrb, E_ARGUMENT_ERROR, "wrong number of arguments");
+ mrb_num_args_error(mrb, argc, 1, -1);
}
else {
pargv = argv;