diff --git a/stdlib/functools.pyi b/stdlib/functools.pyi
index 990fed20d..9c56ff1d2 100644
--- a/stdlib/functools.pyi
+++ b/stdlib/functools.pyi
@@ -52,7 +52,7 @@ class partial(Generic[_T]):
     args: tuple[Any, ...]
     keywords: dict[str, Any]
     def __new__(cls: Type[_S], __func: Callable[..., _T], *args: Any, **kwargs: Any) -> _S: ...
-    def __call__(self, *args: Any, **kwargs: Any) -> _T: ...
+    def __call__(__self, *args: Any, **kwargs: Any) -> _T: ...
     if sys.version_info >= (3, 9):
         def __class_getitem__(cls, item: Any) -> GenericAlias: ...
 
@@ -88,7 +88,7 @@ class _SingleDispatchCallable(Generic[_T]):
     @overload
     def register(self, cls: Type[Any], func: Callable[..., _T]) -> Callable[..., _T]: ...
     def _clear_cache(self) -> None: ...
-    def __call__(self, *args: Any, **kwargs: Any) -> _T: ...
+    def __call__(__self, *args: Any, **kwargs: Any) -> _T: ...
 
 def singledispatch(func: Callable[..., _T]) -> _SingleDispatchCallable[_T]: ...