diff --git a/setup.py b/setup.py
index f5eda08ec0..b1e826bba9 100644
--- a/setup.py
+++ b/setup.py
@@ -187,7 +187,7 @@ setup(
               'onnxruntime.capi',
               'onnxruntime.datasets',
               'onnxruntime.tools',
-              ] + ['onnxruntime.nuphar'] if package_name == 'onnxruntime-nuphar' else [],
+              ] + (['onnxruntime.nuphar'] if package_name == 'onnxruntime-nuphar' else []),
     ext_modules=ext_modules,
     package_data={
         'onnxruntime': data + examples + extra,