diff --git a/python-humanfriendly.spec b/python-humanfriendly.spec
index 5c7d541..b94d39d 100644
--- a/python-humanfriendly.spec
+++ b/python-humanfriendly.spec
@@ -95,7 +95,7 @@ $python -O -m compileall -d %{$python_sitelib} %{buildroot}%{$python_sitelib}/hu
 
 %if %{with test}
 %check
-%python_exec setup.py test
+%python_expand PYTHONPATH=%{buildroot}%{$python_sitelib} py.test-%{$python_version} humanfriendly/tests.py -v
 %endif
 
 %files %{python_files}