diff --git a/aaaaaa/helper.py b/aaaaaa/helper.py
index aa9f7f6..2bcda32 100644
--- a/aaaaaa/helper.py
+++ b/aaaaaa/helper.py
@@ -2,7 +2,7 @@ from __future__ import annotations
 
 from contextlib import contextmanager
 from copy import copy
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Any
 
 import torch
 
@@ -53,3 +53,7 @@ def preseve_prompts(p: PT):
     finally:
         p.all_prompts = all_pt
         p.all_negative_prompts = all_ng
+
+
+def copy_extra_params(extra_params: dict[str, Any]) -> dict[str, Any]:
+    return {k: v for k, v in extra_params.items() if not callable(v)}
diff --git a/scripts/!adetailer.py b/scripts/!adetailer.py
index 2c6cc90..7c4810c 100644
--- a/scripts/!adetailer.py
+++ b/scripts/!adetailer.py
@@ -16,7 +16,12 @@ from PIL import Image, ImageChops
 from rich import print
 
 import modules
-from aaaaaa.helper import change_torch_load, pause_total_tqdm, preseve_prompts
+from aaaaaa.helper import (
+    change_torch_load,
+    copy_extra_params,
+    pause_total_tqdm,
+    preseve_prompts,
+)
 from aaaaaa.p_method import (
     get_i,
     is_img2img_inpaint,
@@ -496,7 +501,7 @@ class AfterDetailerScript(scripts.Script):
             height=height,
             restore_faces=args.ad_restore_face,
             tiling=p.tiling,
-            extra_generation_params=p.extra_generation_params.copy(),
+            extra_generation_params=copy_extra_params(p.extra_generation_params),
             do_not_save_samples=True,
             do_not_save_grid=True,
             override_settings=override_settings,