diff --git a/setup.py b/setup.py
index be7073f7..b3de89a0 100755
--- a/setup.py
+++ b/setup.py
@@ -225,6 +225,6 @@ def parse_requirements_from_file(path):
         ('share/doc/dfvfs', [
             'ACKNOWLEDGEMENTS', 'AUTHORS', 'LICENSE', 'README']),
     ],
-    install_requires=parse_requirements_from_file('requirements.txt'),
-    tests_require=parse_requirements_from_file('test_requirements.txt'),
+    install_requires=list(parse_requirements_from_file('requirements.txt')),
+    tests_require=list(parse_requirements_from_file('test_requirements.txt')),
 )