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-rw-r--r--src/class.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/class.c b/src/class.c
index 90c73104e..5d6ff4b39 100644
--- a/src/class.c
+++ b/src/class.c
@@ -520,7 +520,8 @@ to_str(mrb_state *mrb, mrb_value val)
static mrb_value
to_ary(mrb_state *mrb, mrb_value val)
{
- return check_type(mrb, val, MRB_TT_ARRAY, "Array", "to_ary");
+ CHECK_TYPE(mrb, val, MRB_TT_ARRAY, "Array");
+ return val;
}
static mrb_value