1 files changed, 3 insertions, 0 deletions
diff --git a/src/vm.c b/src/vm.c
index 953863a0b..fe359be47 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -169,6 +169,9 @@ cipush(mrb_state *mrb)
   mrb->ci->eidx = eidx;
   mrb->ci->ridx = ridx;
   mrb->ci->env = 0;
+  if (mrb->ci + 1 != mrb->ciend) {
+    mrb->ci[1].mid = 0;
+  }
   return mrb->ci;
 }