diff --git a/modules/round/src/main/SocketHandler.scala b/modules/round/src/main/SocketHandler.scala
index 752c6edac7..86b508c296 100644
--- a/modules/round/src/main/SocketHandler.scala
+++ b/modules/round/src/main/SocketHandler.scala
@@ -44,7 +44,7 @@ private[round] final class SocketHandler(
     member.playerIdOption.fold[Handler.Controller]({
       case ("p", o)       ⇒ o int "v" foreach { v ⇒ socket ! PingVersion(uid, v) }
       case ("talk", o)    ⇒ watcherTalk(ref.gameId, o)
-      case ("talk-tv", o) ⇒ watcherTalk("tv", o)
+      case ("talk-tv", o) ⇒ if (member.isAuth) watcherTalk("tv", o)
     }) { playerId ⇒
       {
         case ("p", o) ⇒ o int "v" foreach { v ⇒ socket ! PingVersion(uid, v) }
diff --git a/modules/socket/src/main/SocketMember.scala b/modules/socket/src/main/SocketMember.scala
index b44caa7d75..c7f2c02a59 100644
--- a/modules/socket/src/main/SocketMember.scala
+++ b/modules/socket/src/main/SocketMember.scala
@@ -10,6 +10,8 @@ trait SocketMember {
   def liveGames: Set[String] = privateLiveGames.toSet
 
   def addLiveGames(ids: List[String]) { ids foreach privateLiveGames.+= }
+
+  def isAuth = userId.isDefined
 }
 
 object SocketMember {
diff --git a/public/javascripts/big.js b/public/javascripts/big.js
index 2328e0e448..dd73f0a119 100644
--- a/public/javascripts/big.js
+++ b/public/javascripts/big.js
@@ -799,8 +799,10 @@ var storage = {
         self.initSquaresAndPieces();
         self.initTable();
         self.initClocks();
-        if (self.$chat) self.$chat.chat({
+        if (self.$chat) {
+          self.$chat.chat({
             talkMessageType: self.options.tv ? 'talk-tv' : 'talk',
+            secure: self.options.tv,
             resize: true,
             render: function(u, t) {
               if (self.options.player.spectator) {
@@ -813,6 +815,7 @@ var storage = {
               lichess.socket.send("toggle-chat", enabled);
             }, 5000)
           });
+        }
         self.$watchers.watchers();
         if (self.isMyTurn() && self.options.game.turns == 0) {
           self.element.one('lichess.audio_ready', function() {
@@ -1499,6 +1502,7 @@ var storage = {
         // render: function(u, t) {},
         onToggle: function(enabled) {},
         talkMessageType: 'talk',
+        secure: false,
         resize: false
       }, this.options);
       var self = this;
@@ -1520,6 +1524,10 @@ var storage = {
           alert('Max length: 140 chars. ' + text.length + ' chars used.');
           return false;
         }
+        if (self.options.secure && !$('#user_tag').length) {
+          if (confirm($.trans('You need an account to do that'))) location.href = '/signup';
+          return false;
+        }
         $input.val('');
         lichess.socket.send(self.options.talkMessageType, text);
         return false;
diff --git a/todo b/todo
index 41eb8dbf7b..12b7ab7ad6 100644
--- a/todo
+++ b/todo
@@ -57,6 +57,7 @@ realtime computer analysis of TV game
 show user win stats on TV page
 embeddable tv iframe http://en.lichess.org/forum/lichess-feedback/new-feature-lichess-tv?page=3
 many tv ideas (answer) http://en.lichess.org/forum/lichess-feedback/new-feature-lichess-tv?page=3
+disable tv chat for anon
 
 DB
 --