diff --git a/src/net/java/sip/communicator/impl/protocol/irc/IrcStack.java b/src/net/java/sip/communicator/impl/protocol/irc/IrcStack.java
index 229f26472..25fb1018e 100644
--- a/src/net/java/sip/communicator/impl/protocol/irc/IrcStack.java
+++ b/src/net/java/sip/communicator/impl/protocol/irc/IrcStack.java
@@ -1118,6 +1118,10 @@ private final class ServerListener
          */
         private final IRCApi irc;
 
+        // FIXME handle 404 ERR_CANNOTSENDTOCHAN in case of +n and not joined to
+        // channel (or channel is moderated - but we use ChatRoomListener for
+        // that).
+
         /**
          * Constructor for Server Listener.
          *
@@ -1470,6 +1474,9 @@ private final class ChatRoomListener
          */
         private static final int IRC_ERR_NOTONCHANNEL = 442;
 
+        // FIXME Handle 404 ERR_CANNOTSENDTOCHAN in case of moderated channels
+        // (no voice) or +n and not joined.
+
         /**
          * IRCApi instance.
          */