diff --git a/modules/impact/config.py b/modules/impact/config.py
index c5f57ba..0218ca3 100644
--- a/modules/impact/config.py
+++ b/modules/impact/config.py
@@ -3,7 +3,7 @@ import os
 import logging
 
 
-version_code = [8, 21, 1]
+version_code = [8, 21, 2]
 version = f"V{version_code[0]}.{version_code[1]}" + (f'.{version_code[2]}' if len(version_code) > 2 else '')
 
 my_path = os.path.dirname(__file__)
diff --git a/modules/impact/core.py b/modules/impact/core.py
index 774d1f9..f14c322 100644
--- a/modules/impact/core.py
+++ b/modules/impact/core.py
@@ -407,6 +407,11 @@ def enhance_detail(image, model, clip, vae, guide_size, guide_size_for_bbox, max
         refined_image = detailer_hook.post_decode(refined_image)
 
     # downscale
+
+    # workaround: support WAN as an i2i model
+    if len(refined_image.shape) == 5:
+        refined_image = refined_image.squeeze(0)
+
     refined_image = utils.tensor_resize(refined_image, w, h)
 
     # prevent mixing of device
diff --git a/pyproject.toml b/pyproject.toml
index 7279c4c..57cf164 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [project]
 name = "comfyui-impact-pack"
 description = "This node pack offers various detector nodes and detailer nodes that allow you to configure a workflow that automatically enhances facial details. And provide iterative upscaler."
-version = "8.21.1"
+version = "8.21.2"
 license = { file = "LICENSE.txt" }
 dependencies = ["segment-anything", "scikit-image", "piexif", "transformers", "opencv-python-headless", "GitPython", "scipy>=1.11.4"]