diff --git a/setup.py b/setup.py
index 111ede9e5567..40f8ae9645bf 100644
--- a/setup.py
+++ b/setup.py
@@ -159,7 +159,7 @@ def build_extension(self, ext):
             os.makedirs(self.build_temp)
 
         subprocess.check_call(
-            ["cmake", str(os.path.join(ROOT_DIR, "pyvelox"))] + cmake_args,
+            ["cmake", str(ROOT_DIR)] + cmake_args,
             cwd=self.build_temp,
         )
         subprocess.check_call(