diff --git a/app/base_config.d.ts b/app/base_config.d.ts
index 6d2c25304..3aec7c607 100644
--- a/app/base_config.d.ts
+++ b/app/base_config.d.ts
@@ -1,11 +1,15 @@
 export interface BaseConfig {
-  set(keyPath: string, value: any): void
-  get(keyPath: string): any | undefined
-  remove(): void
+  set(keyPath: string, value: any): void;
+  get(keyPath: string): any | undefined;
+  remove(): void;
 }
 
 interface Options {
-  allowMalformedOnStartup: boolean
+  allowMalformedOnStartup: boolean;
 }
 
-export function start(name: string, targetPath: string, options: Options): BaseConfig;
+export function start(
+  name: string,
+  targetPath: string,
+  options: Options
+): BaseConfig;
diff --git a/app/user_config.d.ts b/app/user_config.d.ts
index 9c399c847..4b0a2282c 100644
--- a/app/user_config.d.ts
+++ b/app/user_config.d.ts
@@ -1,3 +1,3 @@
-import { BaseConfig } from "./base_config";
+import { BaseConfig } from './base_config';
 
-type UserConfig = BaseConfig
+type UserConfig = BaseConfig;
diff --git a/preload.js b/preload.js
index e90590365..6ad2ee75f 100644
--- a/preload.js
+++ b/preload.js
@@ -242,7 +242,8 @@ window.getMediaPermissions = () => ipc.sendSync('get-media-permissions');
 
 // Auto update setting
 window.getAutoUpdateEnabled = () => ipc.sendSync('get-auto-update-enabled');
-window.setAutoUpdateEnabled = (value) => ipc.send('set-auto-update-enabled', !!value);
+window.setAutoUpdateEnabled = value =>
+  ipc.send('set-auto-update-enabled', !!value);
 
 ipc.on('get-ready-for-shutdown', async () => {
   const { shutdown } = window.Events || {};
diff --git a/ts/updater/updater.ts b/ts/updater/updater.ts
index 5540030b7..ea6856b19 100644
--- a/ts/updater/updater.ts
+++ b/ts/updater/updater.ts
@@ -3,7 +3,6 @@ import * as fs from 'fs-extra';
 import { autoUpdater, UpdateInfo } from 'electron-updater';
 import { app, BrowserWindow } from 'electron';
 import { markShouldQuit } from '../../app/window_state';
-import { UserConfig } from '../../app/user_config';
 
 import {
   getPrintableError,
@@ -29,6 +28,12 @@ export async function start(
   messages: MessagesType,
   logger: LoggerType
 ) {
+  if (interval) {
+    logger.info('auto-update: Already running');
+
+    return;
+  }
+
   logger.info('auto-update: starting checks...');
 
   autoUpdater.logger = logger;