diff --git a/python/ruff/__main__.py b/python/ruff/__main__.py
index be79913a2b..fa8c656f32 100644
--- a/python/ruff/__main__.py
+++ b/python/ruff/__main__.py
@@ -22,7 +22,7 @@ def find_ruff_bin() -> str:
         user_scheme = "posix_user"
 
     path = os.path.join(sysconfig.get_path("scripts", scheme=user_scheme), ruff_exe)
-    if path.is_file():
+    if os.path.isfile(path):
         return path
 
     raise FileNotFoundError(path)