1 files changed, 2 insertions, 2 deletions
diff --git a/vm.c b/vm.c
index 96a04bfcba..678fcb8762 100644
--- a/vm.c
+++ b/vm.c
@@ -1441,7 +1441,7 @@ rb_vm_call_cfunc(VALUE recv, VALUE (*func)(VALUE), VALUE arg,
 {
     rb_thread_t *th = GET_THREAD();
     const rb_control_frame_t *reg_cfp = th->cfp;
-    volatile VALUE iseqval = rb_iseq_new(0, filename, filename, 0, ISEQ_TYPE_TOP);
+    volatile VALUE iseqval = rb_iseq_new(0, filename, filename, filename, 0, ISEQ_TYPE_TOP);
     VALUE val;
 
     vm_push_frame(th, DATA_PTR(iseqval), VM_FRAME_MAGIC_TOP,
@@ -2052,7 +2052,7 @@ Init_VM(void)
 	rb_vm_t *vm = ruby_current_vm;
 	rb_thread_t *th = GET_THREAD();
 	VALUE filename = rb_str_new2("<main>");
-	volatile VALUE iseqval = rb_iseq_new(0, filename, filename, 0, ISEQ_TYPE_TOP);
+	volatile VALUE iseqval = rb_iseq_new(0, filename, filename, Qnil, 0, ISEQ_TYPE_TOP);
         volatile VALUE th_self;
 	rb_iseq_t *iseq;