diff --git a/stdlib/2.7/socket.pyi b/stdlib/2.7/socket.pyi
index ced7cce41..5b71485b0 100644
--- a/stdlib/2.7/socket.pyi
+++ b/stdlib/2.7/socket.pyi
@@ -322,7 +322,7 @@ class socket:
     def sendto(self, data: str, address: Union[tuple, str], flags: int = ...) -> int: ...
     def setblocking(self, flag: bool) -> None: ...
     def settimeout(self, value: Union[float, None]) -> None: ...
-    def setsockopt(self, level: int, optname: str, value: Union[int, str]) -> None: ...
+    def setsockopt(self, level: int, optname: int, value: Union[int, str]) -> None: ...
     def shutdown(self, how: int) -> None: ...
 
 
diff --git a/stdlib/3/socket.pyi b/stdlib/3/socket.pyi
index a2c358827..85990510e 100644
--- a/stdlib/3/socket.pyi
+++ b/stdlib/3/socket.pyi
@@ -321,7 +321,7 @@ class socket:
     def sendto(self, data: bytes, address: Union[tuple, str], flags: int = ...) -> int: ...
     def setblocking(self, flag: bool) -> None: ...
     def settimeout(self, value: Union[float, None]) -> None: ...
-    def setsockopt(self, level: int, optname: str, value: Union[int, bytes]) -> None: ...
+    def setsockopt(self, level: int, optname: int, value: Union[int, bytes]) -> None: ...
     def shutdown(self, how: int) -> None: ...