diff --git a/stdlib/3.3/ipaddress.pyi b/stdlib/3.3/ipaddress.pyi
index d40b81ef6..11079f734 100644
--- a/stdlib/3.3/ipaddress.pyi
+++ b/stdlib/3.3/ipaddress.pyi
@@ -91,7 +91,7 @@ class _BaseNetwork(_IPAddressBase, Container, Iterable[_A], Generic[_A]):
     @property
     def prefixlen(self) -> int: ...
     def subnets(self: _T, prefixlen_diff: int = ..., new_prefix: Optional[int] = ...) -> Iterator[_T]: ...
-    def supernet(self: _T, prefixlen_diff: int = ..., new_prefix: Optional[int] = ...) -> Iterator[_T]: ...
+    def supernet(self: _T, prefixlen_diff: int = ..., new_prefix: Optional[int] = ...) -> _T: ...
     @property
     def with_hostmask(self) -> str: ...
     @property