diff --git a/stdlib/3/builtins.pyi b/stdlib/3/builtins.pyi
index 6264c1b79099..63e4aadbd30d 100644
--- a/stdlib/3/builtins.pyi
+++ b/stdlib/3/builtins.pyi
@@ -107,7 +107,7 @@ class int(SupportsInt, SupportsFloat, SupportsAbs[int]):
     @overload
     def __init__(self, x: Union[str, bytes, SupportsInt] = ...) -> None: ...
     @overload
-    def __init__(self, x: Union[str, bytes], base: int = ...) -> None: ...
+    def __init__(self, x: Union[str, bytes], base: int) -> None: ...
 
     def bit_length(self) -> int: ...
     def to_bytes(self, length: int, byteorder: str, *, signed: bool = ...) -> bytes: ...