diff --git a/fastapi_cachex/state/manager.py b/fastapi_cachex/state/manager.py
index 6b4b40a..f42f15b 100644
--- a/fastapi_cachex/state/manager.py
+++ b/fastapi_cachex/state/manager.py
@@ -124,7 +124,7 @@ def _decode_state(self, cached: CacheEntry) -> StateData:
 
         try:
             return StateData(**state_dict)
-        except ValueError as e:
+        except (ValueError, TypeError) as e:
             msg = f"Invalid state data structure: {e}"
             raise StateDataError(msg) from e