diff --git a/test/test_mtu.py b/test/test_mtu.py
index e9b4ffe..57d5600 100644
--- a/test/test_mtu.py
+++ b/test/test_mtu.py
@@ -46,9 +46,9 @@
         cls.create_pg_interfaces(range(2))
         cls.interfaces = list(cls.pg_interfaces)
 
-    def setUp(cls):
-        super(TestMTU, cls).setUp()
-        for i in cls.interfaces:
+    def setUp(self):
+        super(TestMTU, self).setUp()
+        for i in self.interfaces:
             i.admin_up()
             i.config_ip4()
             i.config_ip6()