diff --git a/src/vm.c b/src/vm.c
index 7f49c0906..ca1def05f 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -2284,6 +2284,7 @@ mrb_toplevel_run(mrb_state *mrb, struct RProc *proc)
   ci->acc = CI_ACC_SKIP;
   ci->eidx = 0;
   ci->ridx = 0;
+  ci->target_class = mrb->object_class;
   v = mrb_context_run(mrb, proc, mrb_top_self(mrb), 0);
   cipop(mrb);