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-rw-r--r--src/error.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/error.c b/src/error.c
index d1bd52d41..5d17209e5 100644
--- a/src/error.c
+++ b/src/error.c
@@ -160,9 +160,8 @@ set_backtrace(mrb_state *mrb, mrb_value exc, mrb_value backtrace)
static mrb_value
exc_set_backtrace(mrb_state *mrb, mrb_value exc)
{
- mrb_value backtrace;
+ mrb_value backtrace = mrb_get_arg1(mrb);
- mrb_get_args(mrb, "o", &backtrace);
set_backtrace(mrb, exc, backtrace);
return backtrace;
}