diff --git a/tempest/api/network/test_vpnaas_extensions.py b/tempest/api/network/test_vpnaas_extensions.py
index 089f9ef..8c991be 100644
--- a/tempest/api/network/test_vpnaas_extensions.py
+++ b/tempest/api/network/test_vpnaas_extensions.py
@@ -35,10 +35,10 @@
 
     @classmethod
     def setUpClass(cls):
-        super(VPNaaSJSON, cls).setUpClass()
         if not test.is_extension_enabled('vpnaas', 'network'):
             msg = "vpnaas extension not enabled."
             raise cls.skipException(msg)
+        super(VPNaaSJSON, cls).setUpClass()
         cls.network = cls.create_network()
         cls.subnet = cls.create_subnet(cls.network)
         cls.router = cls.create_router(