diff --git a/plone/app/discussion/tests/test_catalog.py b/plone/app/discussion/tests/test_catalog.py
index 42ff8e0..8c5291a 100644
--- a/plone/app/discussion/tests/test_catalog.py
+++ b/plone/app/discussion/tests/test_catalog.py
@@ -48,6 +48,8 @@ class CatalogSetupTest(unittest.TestCase):
         )
 
     def test_collection_criteria_installed(self):
+        if 'portal_atct' not in self.portal:
+            return
         try:
             self.portal.portal_atct.getIndex('commentators')
             self.portal.portal_atct.getIndex('total_comments')