diff --git a/stubs/flake8/flake8/formatting/base.pyi b/stubs/flake8/flake8/formatting/base.pyi
index 2ed0775ba..8401cdf00 100644
--- a/stubs/flake8/flake8/formatting/base.pyi
+++ b/stubs/flake8/flake8/formatting/base.pyi
@@ -21,4 +21,5 @@ class BaseFormatter:
     def show_benchmarks(self, benchmarks: list[tuple[str, float]]) -> None: ...
     def show_source(self, error: Violation) -> str | None: ...
     def write(self, line: str | None, source: str | None) -> None: ...
+    def _write(self, output: str) -> None: ...
     def stop(self) -> None: ...