From 5ee381c058d606209dcafb568af20196e7884fc8 Mon Sep 17 00:00:00 2001
From: comfyanonymous <121283862+comfyanonymous@users.noreply.github.com>
Date: Thu, 31 Jul 2025 20:33:27 -0700
Subject: [PATCH] Fix WanFirstLastFrameToVideo node when no clip vision.
 (#9134)

---
 comfy_extras/nodes_wan.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/comfy_extras/nodes_wan.py b/comfy_extras/nodes_wan.py
index 0b92c68ac..0067d054d 100644
--- a/comfy_extras/nodes_wan.py
+++ b/comfy_extras/nodes_wan.py
@@ -149,6 +149,7 @@ class WanFirstLastFrameToVideo:
         positive = node_helpers.conditioning_set_values(positive, {"concat_latent_image": concat_latent_image, "concat_mask": mask})
         negative = node_helpers.conditioning_set_values(negative, {"concat_latent_image": concat_latent_image, "concat_mask": mask})
 
+        clip_vision_output = None
         if clip_vision_start_image is not None:
             clip_vision_output = clip_vision_start_image