diff --git a/mypy/typeshed/stdlib/zlib.pyi b/mypy/typeshed/stdlib/zlib.pyi
index 4e410fdd18ad..d5998cab90fe 100644
--- a/mypy/typeshed/stdlib/zlib.pyi
+++ b/mypy/typeshed/stdlib/zlib.pyi
@@ -26,8 +26,8 @@ Z_RLE: Final = 3
 Z_SYNC_FLUSH: Final = 2
 Z_TREES: Final = 6
 
-if sys.version_info >= (3, 14) and sys.platform == "win32":
-    # Available when zlib was built with zlib-ng, usually only on Windows
+if sys.version_info >= (3, 14):
+    # Available when zlib was built with zlib-ng
     ZLIBNG_VERSION: Final[str]
 
 class error(Exception): ...