diff --git a/tests/patcher_psycopg_test.py b/tests/patcher_psycopg_test.py
index 41ca0d7..863db43 100644
--- a/tests/patcher_psycopg_test.py
+++ b/tests/patcher_psycopg_test.py
@@ -34,7 +34,7 @@ assert count[0] > 100, count[0]
 print "done"
 """
 
-class PatchingPsycopg(patcher_test.Patcher):
+class PatchingPsycopg(patcher_test.ProcessBase):
     def test_psycopg_pached(self):
         if 'PSYCOPG_TEST_DSN' not in os.environ:
             # construct a non-json dsn for the subprocess