diff --git a/testing/acceptance_test.py b/testing/acceptance_test.py
index 7349273..bc71b8c 100644
--- a/testing/acceptance_test.py
+++ b/testing/acceptance_test.py
@@ -340,8 +340,10 @@ class TestTerminalReporting:
         ])
 
     @pytest.mark.parametrize('n', ['-n0', '-n1'])
-    @pytest.mark.skipif(pytest.__version__ < "3.1", reason='pytest warnings requires >= 3.1')
     def test_logwarning(self, testdir, n):
+        from pkg_resources import parse_version
+        if parse_version(pytest.__version__) < parse_version('3.1'):
+            pytest.skip('pytest warnings requires >= 3.1')
         testdir.makepyfile("""
             import warnings
             def test_func():