diff --git a/mod_mix/mix.lib.lua b/mod_mix/mix.lib.lua
index fd9cd0c..cb3c0fc 100644
--- a/mod_mix/mix.lib.lua
+++ b/mod_mix/mix.lib.lua
@@ -110,7 +110,7 @@ function Channel:get_broadcaster()
             end
 
         	for jid in pairs(jids) do
-        		module:log("debug", "Sending notification to %s from %s for node %s", jid, user_bare, node);
+        		module:log("debug", "Sending notification to %s for node %s", jid, node);
         		message.attr.to = jid;
         		module:send(message);
         	end
diff --git a/mod_mix/mod_mix.lua b/mod_mix/mod_mix.lua
index b94ce0e..af58af7 100644
--- a/mod_mix/mod_mix.lua
+++ b/mod_mix/mod_mix.lua
@@ -388,7 +388,7 @@ module:hook("iq-set/bare/"..namespaces.mix_core..":join", function(event)
     -- Prevent the user from joining multiple times
     local participant = channel:find_participant(from);
     if participant then
-        module:send(st.error_reply(stanza, "cancel", "bad-request", "User already joined"));
+        module:send(st.error_reply(stanza, "cancel", "conflict", "User already joined"));
         return true;
     end
 
@@ -418,7 +418,6 @@ module:hook("iq-set/bare/"..namespaces.mix_core..":join", function(event)
     local nodes = {};
     local has_subscribed_once = false;
     local first_error = nil;
-    local owner_or_admin = channel:is_admin(from) or channel:is_owner(from);
     for subscribe in join:childtags("subscribe") do
         -- May the user subscribe to the node?
         module:log("debug", "Subscribing user to node %s", subscribe.attr.node);
@@ -467,7 +466,6 @@ module:hook("iq-set/bare/"..namespaces.mix_core..":join", function(event)
 
     -- We do not reuse nick_tag as it might be nil
     reply:tag("nick"):text(nick):up();
-    reply:add_child(anon.form:form(config, "result"));
     origin.send(reply);
     return true
 end);