diff --git a/build_ext.py b/build_ext.py
index a9a8dcb..92ec4c1 100644
--- a/build_ext.py
+++ b/build_ext.py
@@ -135,16 +135,16 @@ def build_extension(debug: bool = False, use_temp_dir=False) -> None:
     cmake_args = [
         f"-DCMAKE_BUILD_TYPE={cfg}",  # not used on MSVC, but no harm
     ]
-    # if uname.system != "Windows":
-    #    py_cfg = get_py_config()
-    #    cmake_args.extend(
-    #        [
-    #            f"-DPython3_EXECUTABLE={py_cfg['exe']}",
-    #            f"-DPython3_INCLUDE_DIR={py_cfg['include']}",
-    #        ]
-    #    )
-    #    if py_cfg["libdir"]:
-    #        cmake_args.append(f"-DPython3_LIBRARY={str(Path(py_cfg['libdir']) / Path(py_cfg['library']))}")  # noqa: RUF010
+    if uname.system != "Windows":
+       py_cfg = get_py_config()
+       cmake_args.extend(
+           [
+               f"-DPython3_EXECUTABLE={py_cfg['exe']}",
+               f"-DPython3_INCLUDE_DIR={py_cfg['include']}",
+           ]
+       )
+       if py_cfg["libdir"]:
+           cmake_args.append(f"-DPython3_LIBRARY={str(Path(py_cfg['libdir']) / Path(py_cfg['library']))}")  # noqa: RUF010
     build_args = ["--config Release", "--verbose"]
 
     if sys.platform.startswith("darwin"):