diff options
| -rw-r--r-- | src/class.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/class.c b/src/class.c index 366bde96d..f517cc19a 100644 --- a/src/class.c +++ b/src/class.c @@ -502,6 +502,7 @@ mrb_mod_include(mrb_state *mrb, mrb_value klass) mrb_value mod; mrb_get_args(mrb, "o", &mod); + mrb_check_type(mrb, mod, MRB_TT_MODULE); mrb_include_module(mrb, mrb_class_ptr(klass), mrb_class_ptr(mod)); return mod; } |