diff --git a/django-stubs/utils/datastructures.pyi b/django-stubs/utils/datastructures.pyi
index 5b4a446..efe45e4 100644
--- a/django-stubs/utils/datastructures.pyi
+++ b/django-stubs/utils/datastructures.pyi
@@ -43,7 +43,7 @@ class MultiValueDict(MutableMapping[_K, _V]):
     def setlistdefault(self, key: _K, default_list: Optional[List[_V]] = ...) -> List[_V]: ...
     def appendlist(self, key: _K, value: _V) -> None: ...
     def lists(self) -> Iterable[Tuple[_K, List[_V]]]: ...
-    def dict(self) -> Dict[_K, Union[_V, List[_V]]]: ...
+    def dict(self) -> Dict[_K, _V]: ...
     def copy(self: _D) -> _D: ...
     # These overrides are needed to convince mypy that this isn't an abstract class
     def __delitem__(self, item: _K) -> None: ...