diff --git a/src/de/steamwar/bungeecore/BungeeCore.java b/src/de/steamwar/bungeecore/BungeeCore.java
index 8a457e2..76a9c0b 100644
--- a/src/de/steamwar/bungeecore/BungeeCore.java
+++ b/src/de/steamwar/bungeecore/BungeeCore.java
@@ -31,6 +31,7 @@ import de.steamwar.bungeecore.listeners.mods.WorldDownloader;
 import de.steamwar.bungeecore.sql.SQL;
 import de.steamwar.bungeecore.sql.SteamwarUser;
 import de.steamwar.bungeecore.sql.Team;
+import net.dv8tion.jda.api.JDA;
 import net.md_5.bungee.api.ChatMessageType;
 import net.md_5.bungee.api.CommandSender;
 import net.md_5.bungee.api.ProxyServer;
@@ -157,6 +158,12 @@ public class BungeeCore extends Plugin {
     public void onDisable(){
         ErrorLogger.stop();
         SQL.close();
+        SteamwarDiscordBot.instance().getJda().shutdownNow();
+        try {
+            SteamwarDiscordBot.instance().getJda().awaitStatus(JDA.Status.SHUTDOWN);
+        } catch (Exception e) {
+            // Ignored
+        }
     }
 
     public static BungeeCore get() {
diff --git a/src/de/steamwar/bungeecore/bot/AuthManager.java b/src/de/steamwar/bungeecore/bot/AuthManager.java
index d574c46..e6cfa15 100644
--- a/src/de/steamwar/bungeecore/bot/AuthManager.java
+++ b/src/de/steamwar/bungeecore/bot/AuthManager.java
@@ -67,7 +67,11 @@ public class AuthManager {
 
             member.getUser().openPrivateChannel().complete().sendMessage(builder.build()).complete();
             if(member.getNickname() == null) {
-                member.getGuild().modifyNickname(member, user.getUserName()).complete();
+                try {
+                    member.getGuild().modifyNickname(member, user.getUserName()).complete();
+                } catch (Exception e) {
+                    // Ignored
+                }
             }
             TOKENS.remove(code);
             return member;
diff --git a/src/de/steamwar/bungeecore/bot/util/DiscordRanks.java b/src/de/steamwar/bungeecore/bot/util/DiscordRanks.java
index 9b976ce..dedf0a5 100644
--- a/src/de/steamwar/bungeecore/bot/util/DiscordRanks.java
+++ b/src/de/steamwar/bungeecore/bot/util/DiscordRanks.java
@@ -60,7 +60,7 @@ public class DiscordRanks {
             guild.removeRoleFromMember(member, role).complete();
         }
 
-        if (!needed.isEmpty()) {
+        if (needed != null && !needed.isEmpty()) {
             guild.addRoleToMember(member, guild.getRoleById(needed)).complete();
         }
     }