diff --git a/setup.py b/setup.py
index b25ff43..c15e2a9 100755
--- a/setup.py
+++ b/setup.py
@@ -169,7 +169,7 @@ class BuildCMakeExt(build_ext):
         self.spawn(['bash', 'build.sh', '--build-dir', self.build_temp,
                     f"--python={sys.executable}", "--c-compiler", c_compiler,
                     "--cxx-compiler", cxx_compiler, '--purge',
-                    '--hades-python', '--install-system-python',
+                    '--install-system-python',
                     '--extra-flags', f"-DPYTHON_SITE_PACKAGES={install_dir} -DINSTALL_COMPATIBILITY_PYBORG=OFF -DINSTALL_SHARED=ON -DDATA_INSTALL_DIR={install_dir}/aquila_borg/_data"
                     ])