diff --git a/GrpcInterface/Python/setup.py.cmake b/GrpcInterface/Python/setup.py.cmake
index 498fa2194a..9f14dcab76 100644
--- a/GrpcInterface/Python/setup.py.cmake
+++ b/GrpcInterface/Python/setup.py.cmake
@@ -19,5 +19,5 @@ setup(
     license=license,
     packages=['rips'],
     package_data={'rips': ['*.py', 'generated/*.py', 'PythonExamples/*.py', 'tests/*.py']},
-    install_requires=['grpcio>=1.20.0', protobuf, wheel]
+    install_requires=['grpcio>=1.20.0', 'protobuf', 'wheel']
 )
\ No newline at end of file