diff --git a/src/meshcore_hub/collector/webhook.py b/src/meshcore_hub/collector/webhook.py
index fc5480a..3b7bb32 100644
--- a/src/meshcore_hub/collector/webhook.py
+++ b/src/meshcore_hub/collector/webhook.py
@@ -404,7 +404,7 @@ _dispatch_callback: Optional[Callable[[str, dict[str, Any], Optional[str]], None
 
 
 def set_dispatch_callback(
-    callback: Optional[Callable[[str, dict[str, Any], Optional[str]], None]]
+    callback: Optional[Callable[[str, dict[str, Any], Optional[str]], None]],
 ) -> None:
     """Set a callback for synchronous webhook dispatch.