diff --git a/src/bot.ts b/src/bot.ts
index ddc5da2..a52c8d8 100644
--- a/src/bot.ts
+++ b/src/bot.ts
@@ -18,7 +18,7 @@ export class UEMEloBot extends Client {
 			this.commands = commands;
 			const token = await this.login();
 			console.log(`Discord Token: ${token}`);
-			setInterval(this.updatePlayers.bind(this), 10 * 60 * 1000);
+			setInterval(this.updatePlayers.bind(this), 30 * 60 * 1000);
 			await this.updatePlayers();
 		});
 	}
diff --git a/src/commands/add.ts b/src/commands/add.ts
index c62292f..9bdd86b 100644
--- a/src/commands/add.ts
+++ b/src/commands/add.ts
@@ -1,6 +1,7 @@
 import {Interaction, PermissionsBitField} from "discord.js";
 import {Command} from "../command";
 import {UEMEloBot} from "../bot";
+import {checkServer} from "../util";
 
 class Add extends Command {
 	constructor() {
@@ -18,12 +19,9 @@ class Add extends Command {
 
 		const riotId = interaction.options.getString("riot-id", true);
 		const [gameName, tagLine] = riotId.split("#");
-		const serverID = interaction.guild?.id;
-		if (!serverID){
-			console.error("Server ID is missing!");
-			await interaction.reply({content: "Fehler!", ephemeral: true});
+		const serverID = await checkServer(interaction);
+		if (!serverID)
 			return;
-		}
 
 		const player = await client.addPlayer(gameName, tagLine, serverID);
 		if (player)
diff --git a/src/commands/list.ts b/src/commands/list.ts
index 6987d81..553a19e 100644
--- a/src/commands/list.ts
+++ b/src/commands/list.ts
@@ -2,6 +2,7 @@ import {Interaction, EmbedBuilder, APIEmbedField, codeBlock} from "discord.js";
 import {Command} from "../command";
 import {UEMEloBot} from "../bot";
 import {eloToNumber, Player} from "../player";
+import {checkServer} from "../util";
 
 class List extends Command {
 	constructor() {
@@ -11,12 +12,9 @@ class List extends Command {
 		if (!interaction.isChatInputCommand())
 			return;
 
-		const serverID = interaction.guild?.id;
-		if (!serverID){
-			console.error("Server ID is missing!");
-			await interaction.reply({content: "Fehler!", ephemeral: true});
+		const serverID = await checkServer(interaction);
+		if (!serverID)
 			return;
-		}
 
 		let players = (interaction.client as UEMEloBot).servers.ensure(serverID, () => []);
 		if (players.length === 0){
diff --git a/src/commands/remove.ts b/src/commands/remove.ts
index ac2a1fc..5459737 100644
--- a/src/commands/remove.ts
+++ b/src/commands/remove.ts
@@ -1,6 +1,7 @@
 import {Interaction, PermissionsBitField} from "discord.js";
 import {Command} from "../command";
 import {UEMEloBot} from "../bot";
+import {checkServer} from "../util";
 
 class Remove extends Command {
 	constructor() {
@@ -18,12 +19,9 @@ class Remove extends Command {
 
 		const riotId = interaction.options.getString("riot-id", true);
 		const [gameName, tagLine] = riotId.split("#");
-		const serverID = interaction.guild?.id;
-		if (!serverID){
-			console.error("Server ID is missing!");
-			await interaction.reply({content: "Fehler!", ephemeral: true});
+		const serverID = await checkServer(interaction);
+		if (!serverID)
 			return;
-		}
 
 		const player = await client.removePlayer(gameName, tagLine, serverID);
 		if (player)
diff --git a/src/commands/update.ts b/src/commands/update.ts
new file mode 100644
index 0000000..bd0b41f
--- /dev/null
+++ b/src/commands/update.ts
@@ -0,0 +1,22 @@
+import {Interaction} from "discord.js";
+import {Command} from "../command";
+import {UEMEloBot} from "../bot";
+
+class Update extends Command {
+	constructor() {
+		super("update", "Ränge jetzt aktualisieren (passiert automatisch alle 30min)");
+	}
+	async execute(interaction: Interaction) {
+		if (!interaction.isChatInputCommand())
+			return;
+
+		await interaction.deferReply({ephemeral: true});
+
+		let client = interaction.client as UEMEloBot;
+		await client.updatePlayers();
+
+		await interaction.editReply({content: "Aktualisiert!"});
+	}
+}
+
+export default new Update();
\ No newline at end of file
diff --git a/src/util.ts b/src/util.ts
new file mode 100644
index 0000000..152a569
--- /dev/null
+++ b/src/util.ts
@@ -0,0 +1,10 @@
+import {ChatInputCommandInteraction} from "discord.js";
+
+export async function checkServer(interaction: ChatInputCommandInteraction){
+	const serverID = interaction.guild?.id;
+	if (!serverID){
+		console.error("Server ID is missing!");
+		await interaction.reply({content: "Fehler!", ephemeral: true});
+	}
+	return serverID;
+}
\ No newline at end of file