diff --git a/src/app.ts b/src/app.ts
index efec538..076db6d 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -24,6 +24,11 @@ client.on("error", err => {
   adminLog(client, "nejaka chyba na klijentovi", err);
 });
 
+client.on("shardError", err => {
+  log(err);
+  adminLog(client, "šárd ejrr??", err);
+});
+
 client.komandy = {};
 client.aliasy = {};
 setClient(client);
diff --git a/src/utils/utils.ts b/src/utils/utils.ts
index ee2552c..1e6375c 100644
--- a/src/utils/utils.ts
+++ b/src/utils/utils.ts
@@ -1,4 +1,4 @@
-import { APIEmbed, ActionRowBuilder, ButtonBuilder, ButtonInteraction, ButtonStyle, CacheType, ChannelType, Client, Collection, ComponentType, MessageCreateOptions, TextBasedChannel, User } from "discord.js";
+import { APIEmbed, ActionRowBuilder, ButtonBuilder, ButtonInteraction, ButtonStyle, CacheType, ChannelType, Client, ComponentType, MessageCreateOptions, ReadonlyCollection, TextBasedChannel, User } from "discord.js";
 import { existsSync } from "fs";
 import { MysqlError, createPool } from "mysql";
 
@@ -111,7 +111,7 @@ type Nastaveni = {
   onCollect: (i: ButtonInteraction, id: number, radek: ActionRowBuilder<ButtonBuilder>) => void;
   timeout?: number;
 } & ({
-  onEnd: (c: Collection<string, ButtonInteraction<CacheType>>) => void;
+  onEnd: (c: ReadonlyCollection<string, ButtonInteraction<CacheType>>) => void;
 } | {
   konecnaZprava: string;
   stejne?: boolean;