diff --git a/setup.py b/setup.py
index 16513c4..9e7354d 100644
--- a/setup.py
+++ b/setup.py
@@ -65,7 +65,7 @@ class PublishCommand(Command):
             pass
 
         self.status('Building Source and Wheel (universal) distribution…')
-        os.system('{0} setup.py sdist bdist_wheel --universal '.format(sys.executable))
+        os.system('{0} setup.py sdist bdist_wheel --universal'.format(sys.executable))
 
         self.status('Uploading the package to PyPi via Twine…')
         os.system('twine upload dist/*')