src/de/steamwar/bungeecore/commands/ServerTeamchatCommand.java

@@ -56,7 +56,7 @@ public class ServerTeamchatCommand extends BasicCommand {
         for (ProxiedPlayer target : ProxyServer.getInstance().getPlayers()){
             if ((target.hasPermission("bungeecore.teamchat"))
                     && target.getChatMode() == ProxiedPlayer.ChatMode.SHOWN){
-                Message.send("STC_FORMAT", target, sender.getName(), message);
+                Message.sendPrefixless("STC_FORMAT", target, sender.getName(), message);
             }
         }
     }

src/de/steamwar/bungeecore/commands/TeamchatCommand.java

@@ -59,7 +59,7 @@ public class TeamchatCommand extends BasicCommand {
                 SteamwarUser targetuser = SteamwarUser.get(target.getUniqueId());
                 if (targetuser.getTeam() == user.getTeam()
                         && target.getChatMode() == ProxiedPlayer.ChatMode.SHOWN){
-                    Message.send("TC_FORMAT", target, player.getName(), msg);
+                    Message.sendPrefixless("TC_FORMAT", target, player.getName(), msg);
                 }
             }
         }