diff --git a/src/bot/mtproto-api/workrooms.ts b/src/bot/mtproto-api/workrooms.ts
index 2d72a84..bbe89c8 100644
--- a/src/bot/mtproto-api/workrooms.ts
+++ b/src/bot/mtproto-api/workrooms.ts
@@ -45,7 +45,7 @@ export async function createChat(context: Context<"issues.labeled", SupportedEve
     }
 
     try {
-        const botEntity = await mtProto.client.getEntity(config.botId);
+        const botEntity = await mtProto.client.getEntity(config.botUsername);
 
         await mtProto.client.invoke(
             new mtProto.api.messages.AddChatUser({
diff --git a/src/types/plugin-inputs.ts b/src/types/plugin-inputs.ts
index 25db40f..b2370ac 100644
--- a/src/types/plugin-inputs.ts
+++ b/src/types/plugin-inputs.ts
@@ -26,6 +26,7 @@ export const pluginSettingsSchema = T.Object({
   supergroupChatId: T.Integer(),
   supergroupChatName: T.String(),
   botId: T.Transform(T.Unknown()).Decode((value) => Number(value)).Encode((value) => value.toString()),
+  botUsername: T.String(),
 });
 
 export const pluginSettingsValidator = new StandardValidator(pluginSettingsSchema);