diff --git a/stdlib/2/__builtin__.pyi b/stdlib/2/__builtin__.pyi
index 680f1fd7b06a..e85009af027d 100644
--- a/stdlib/2/__builtin__.pyi
+++ b/stdlib/2/__builtin__.pyi
@@ -867,7 +867,10 @@ class tuple(Sequence[_T_co], Generic[_T_co]):
     def __le__(self, x: Tuple[_T_co, ...]) -> bool: ...
     def __gt__(self, x: Tuple[_T_co, ...]) -> bool: ...
     def __ge__(self, x: Tuple[_T_co, ...]) -> bool: ...
+    @overload
     def __add__(self, x: Tuple[_T_co, ...]) -> Tuple[_T_co, ...]: ...
+    @overload
+    def __add__(self, x: tuple) -> tuple: ...
     def __mul__(self, n: int) -> Tuple[_T_co, ...]: ...
     def __rmul__(self, n: int) -> Tuple[_T_co, ...]: ...
     def count(self, x: Any) -> int: ...
diff --git a/stdlib/2and3/builtins.pyi b/stdlib/2and3/builtins.pyi
index 680f1fd7b06a..e85009af027d 100644
--- a/stdlib/2and3/builtins.pyi
+++ b/stdlib/2and3/builtins.pyi
@@ -867,7 +867,10 @@ class tuple(Sequence[_T_co], Generic[_T_co]):
     def __le__(self, x: Tuple[_T_co, ...]) -> bool: ...
     def __gt__(self, x: Tuple[_T_co, ...]) -> bool: ...
     def __ge__(self, x: Tuple[_T_co, ...]) -> bool: ...
+    @overload
     def __add__(self, x: Tuple[_T_co, ...]) -> Tuple[_T_co, ...]: ...
+    @overload
+    def __add__(self, x: tuple) -> tuple: ...
     def __mul__(self, n: int) -> Tuple[_T_co, ...]: ...
     def __rmul__(self, n: int) -> Tuple[_T_co, ...]: ...
     def count(self, x: Any) -> int: ...