diff --git a/src/de/steamwar/misslewars/MissileWars.java b/src/de/steamwar/misslewars/MissileWars.java
index cb93539..69e9670 100644
--- a/src/de/steamwar/misslewars/MissileWars.java
+++ b/src/de/steamwar/misslewars/MissileWars.java
@@ -31,9 +31,15 @@ import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.GameMode;
 import org.bukkit.Sound;
+import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.java.JavaPlugin;
 
+import java.util.List;
+import java.util.Set;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
 public class MissileWars extends JavaPlugin {
 	private static MissileWars plugin;
 	private static MWTeam redTeam; //red has South side -> spawns missles towards north
@@ -93,8 +99,11 @@ public class MissileWars extends JavaPlugin {
 			fightState = FightState.WAITING;
 			StateDependent.setupState(fightState);
 
-			Config.RedLeader = null;
-			Config.BlueLeader = null;
+			Set<UUID> uuidList = Bukkit.getOnlinePlayers().stream().map(Entity::getUniqueId).collect(Collectors.toSet());
+			if (!uuidList.contains(Config.RedLeader) || !uuidList.contains(Config.BlueLeader)) {
+				Config.RedLeader = null;
+				Config.BlueLeader = null;
+			}
 
 			redTeam.reset();
 			blueTeam.reset();