diff --git a/tests/test_stanza_xep_0444.py b/tests/test_stanza_xep_0444.py
index 0fe3f6fc..48d569e3 100644
--- a/tests/test_stanza_xep_0444.py
+++ b/tests/test_stanza_xep_0444.py
@@ -23,7 +23,7 @@ class TestReactions(SlixTest):
 
     def setUp(self):
         register_stanza_plugin(Message, stanza.Reactions)
-        register_stanza_plugin(stanza.Reactions, stanza.Reaction)
+        register_stanza_plugin(stanza.Reactions, stanza.Reaction, iterable=True)
 
     def testCreateReactions(self):
         """Testing creating Reactions."""