diff --git a/plugins/Autocomplete/test.py b/plugins/Autocomplete/test.py
index ff44233eb..bb42ff9d0 100644
--- a/plugins/Autocomplete/test.py
+++ b/plugins/Autocomplete/test.py
@@ -50,6 +50,9 @@ class AutocompleteTestCase(PluginTestCase):
     def _assertAutocompleteResponse(self, request, expectedResponse):
         self._sendRequest(request)
         m = self.irc.takeMsg()
+        self.assertEqual(
+            m.server_tags["+draft/autocomplete-response"], expectedResponse
+        )
         self.assertEqual(
             m,
             ircmsgs.IrcMsg(