diff --git a/nodes.py b/nodes.py
index d9437f0..442f972 100644
--- a/nodes.py
+++ b/nodes.py
@@ -2761,8 +2761,8 @@ class WanVideoSampler:
                         if fun_ref_image is not None:
                             fun_ref_input = fun_ref_image.to(z)
                         else:
-                            #fun_ref_input = torch.zeros_like(z, dtype=z.dtype)[:, 0].unsqueeze(1)
-                            fun_ref_input = None
+                            fun_ref_input = torch.zeros_like(z, dtype=z.dtype)[:, 0].unsqueeze(1)
+                            #fun_ref_input = None
 
                     if control_lora:
                         if not control_start_percent <= current_step_percentage <= control_end_percent: