diff --git a/reflex/event.py b/reflex/event.py
index 00ae137eb..f2aa0a4b9 100644
--- a/reflex/event.py
+++ b/reflex/event.py
@@ -1042,7 +1042,7 @@ def resolve_annotation(annotations: dict[str, Any], arg_name: str):
             removal_version="0.7.0",
         )
         # Allow arbitrary attribute access two levels deep until removed.
-        return dict[str, dict]
+        return Dict[str, dict]
     return annotation