1 files changed, 4 insertions, 3 deletions
diff --git a/vm_args.c b/vm_args.c
index 51141aa947..fe7a9b96e9 100644
--- a/vm_args.c
+++ b/vm_args.c
@@ -762,7 +762,8 @@ vm_caller_setup_arg_kw(rb_control_frame_t *cfp, rb_call_info_t *ci)
 } while (0)
 
 static void
-vm_caller_setup_arg_block(const rb_thread_t *th, rb_control_frame_t *reg_cfp, rb_call_info_t *ci, const int is_super)
+vm_caller_setup_arg_block(const rb_thread_t *th, rb_control_frame_t *reg_cfp, rb_call_info_t *ci,
+			  rb_iseq_t *blockiseq, const int is_super)
 {
     if (ci->flag & VM_CALL_ARGS_BLOCKARG) {
 	rb_proc_t *po;
@@ -791,9 +792,9 @@ vm_caller_setup_arg_block(const rb_thread_t *th, rb_control_frame_t *reg_cfp, rb
 	    ci->blockptr = NULL;
 	}
     }
-    else if (ci->blockiseq != 0) { /* likely */
+    else if (blockiseq != 0) { /* likely */
 	ci->blockptr = RUBY_VM_GET_BLOCK_PTR_IN_CFP(reg_cfp);
-	ci->blockptr->iseq = ci->blockiseq;
+	ci->blockptr->iseq = blockiseq;
 	ci->blockptr->proc = 0;
     }
     else {