1 files changed, 1 insertions, 0 deletions
diff --git a/src/vm.c b/src/vm.c
index 70e7005f2..954e74674 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -2609,6 +2609,7 @@ RETRY_TRY_BLOCK:
 
       /* prepare closure */
       p = mrb_closure_new(mrb, irep->reps[GETARG_Bx(i)]);
+      p->c = NULL;
 
       /* prepare stack */
       ci = cipush(mrb);