diff --git a/stdlib/tarfile.pyi b/stdlib/tarfile.pyi
index 4ef096be330e..ba2bd16db468 100644
--- a/stdlib/tarfile.pyi
+++ b/stdlib/tarfile.pyi
@@ -127,7 +127,7 @@ class TarFile:
     encoding: str | None
     errors: str
     fileobject: type[ExFileObject]  # undocumented
-    pax_headers: Mapping[str, str] | None
+    pax_headers: Mapping[str, str]
     debug: int | None
     errorlevel: int | None
     offset: int  # undocumented