diff --git a/modules/script_callbacks.py b/modules/script_callbacks.py
index 4d80b433b..2cd65e832 100644
--- a/modules/script_callbacks.py
+++ b/modules/script_callbacks.py
@@ -120,7 +120,7 @@ class BeforeTokenCounterParams:
 @dataclasses.dataclass
 class ScriptCallback:
     script: str
-    callback: ''
+    callback: any
     name: str = None