diff --git a/test/ejabberd_SUITE.erl b/test/ejabberd_SUITE.erl
index f17bfeb4c..b239ddf0b 100644
--- a/test/ejabberd_SUITE.erl
+++ b/test/ejabberd_SUITE.erl
@@ -293,6 +293,8 @@ db_tests(_) ->
        test_unregister]},
      {test_muc_register, [sequence],
       [muc_register_master, muc_register_slave]},
+     {test_mix, [parallel],
+      [mix_master, mix_slave]},
      {test_roster_subscribe, [parallel],
       [roster_subscribe_master,
        roster_subscribe_slave]},
diff --git a/test/ejabberd_SUITE_data/ejabberd.yml b/test/ejabberd_SUITE_data/ejabberd.yml
index 96453f77b..923d69024 100644
--- a/test/ejabberd_SUITE_data/ejabberd.yml
+++ b/test/ejabberd_SUITE_data/ejabberd.yml
@@ -35,6 +35,7 @@ host_config:
           - "flat"
           - "hometree"
           - "pep"
+      mod_mix: []
       mod_roster:
         versioning: true
         store_current_id: true
@@ -88,6 +89,7 @@ Welcome to this XMPP server."
           - "flat"
           - "hometree"
           - "pep"
+      mod_mix: []
       mod_roster:
         versioning: true
         store_current_id: true
@@ -147,6 +149,7 @@ Welcome to this XMPP server."
           - "flat"
           - "hometree"
           - "pep"
+      mod_mix: []
       mod_roster: 
         versioning: true
         store_current_id: true