diff --git a/test/unittests/common_query/test_common_query.py b/test/unittests/common_query/test_common_query.py
index f284075c148f..7ac9b1237bfb 100644
--- a/test/unittests/common_query/test_common_query.py
+++ b/test/unittests/common_query/test_common_query.py
@@ -34,7 +34,7 @@ def test_common_query_events(self):
         original_ctxt = dict(qq_ctxt)
         self.bus.emit(Message("common_query.question",
                               {"utterance": "what is the speed of light"},
-                              qq_ctxt))
+                              dict(qq_ctxt)))
         self.assertEqual(qq_ctxt, original_ctxt, qq_ctxt)
         skill_ctxt = {"source": "audio", "destination": "skills", 'skill_id': 'wiki.test'}
         skill_ans_ctxt = {"source": "skills", "destination": "audio", 'skill_id': 'wiki.test'}