diff --git a/MCGalaxy/Commands/CPE/CmdPing.cs b/MCGalaxy/Commands/CPE/CmdPing.cs
index 84b2596ad..f8faf9e5f 100644
--- a/MCGalaxy/Commands/CPE/CmdPing.cs
+++ b/MCGalaxy/Commands/CPE/CmdPing.cs
@@ -23,7 +23,7 @@ namespace MCGalaxy.Commands.Chatting {
         public override string type { get { return CommandTypes.Information; } }
         public override LevelPermission defaultRank { get { return LevelPermission.Guest; } }
         public override CommandPerm[] ExtraPerms {
-            get { return new[] { new CommandPerm(LevelPermission.Admin, "+ can see ping of all players") }; }
+            get { return new[] { new CommandPerm(LevelPermission.Operator, "+ can see ping of all players") }; }
         }
         
         public override void Use(Player p, string message) {
diff --git a/MCGalaxy/Commands/Information/CmdHelp.cs b/MCGalaxy/Commands/Information/CmdHelp.cs
index 282c79d1b..f5986c2e3 100644
--- a/MCGalaxy/Commands/Information/CmdHelp.cs
+++ b/MCGalaxy/Commands/Information/CmdHelp.cs
@@ -107,10 +107,10 @@ namespace MCGalaxy.Commands.Info {
         
         bool ParseCommand(Player p, string message) {
             string[] args = message.SplitSpaces(2);
-            Alias alias = Alias.Find(args[0]);
-            if (alias != null) args[0] = alias.Target;
+            string cmdName = args[0], cmdArgs = "";
+            Command.Search(ref cmdName, ref cmdArgs);
             
-            Command cmd = Command.all.Find(args[0]);
+            Command cmd = Command.all.FindByName(cmdName);
             if (cmd == null) return false;
             
             if (args.Length == 1) {
diff --git a/MCGalaxy/Commands/other/CmdSendCmd.cs b/MCGalaxy/Commands/other/CmdSendCmd.cs
index d888412c9..ec048e0f7 100644
--- a/MCGalaxy/Commands/other/CmdSendCmd.cs
+++ b/MCGalaxy/Commands/other/CmdSendCmd.cs
@@ -39,7 +39,7 @@ namespace MCGalaxy.Commands.Misc {
             string cmdArgs = parts.Length > 2 ? parts[2] : "";
             Command.Search(ref cmdName, ref cmdArgs);
             
-            Command cmd = Command.all.Find(cmdName);
+            Command cmd = Command.all.FindByName(cmdName);
             if (cmd == null) {
                 Player.Message(p, "Unknown command \"" + cmdName + "\"."); return;
             }
diff --git a/MCGalaxy/Games/ZombieSurvival/ZombieGame.Game.cs b/MCGalaxy/Games/ZombieSurvival/ZombieGame.Game.cs
index c96f6c735..b3ff45d5e 100644
--- a/MCGalaxy/Games/ZombieSurvival/ZombieGame.Game.cs
+++ b/MCGalaxy/Games/ZombieSurvival/ZombieGame.Game.cs
@@ -95,7 +95,7 @@ namespace MCGalaxy.Games {
                     InfectPlayer(p, null);
                 }
             }
-            if (RoundInProgress && oldLvl == Map) {
+            if (RoundInProgress && oldLvl == Map && lvl != Map) {
                 PlayerLeftGame(p);
             }