diff --git a/setup.py b/setup.py
index 7a886aa3e..7672e239a 100644
--- a/setup.py
+++ b/setup.py
@@ -75,7 +75,7 @@ def _stamp_version(filename):
       package_data={'git.test': ['fixtures/*']},
       package_dir={'git': 'git'},
       license="BSD License",
-      requires=('gitdb (>=0.5.1)',),
+      requires=['gitdb (>=0.5.1)',],
       install_requires='gitdb >= 0.5.1',
       zip_safe=False,
       long_description = """\