diff --git a/src/store/index.tsx b/src/store/index.tsx
index 813cfb9..694b9ce 100644
--- a/src/store/index.tsx
+++ b/src/store/index.tsx
@@ -7,6 +7,15 @@ import { sendMainMessage } from '../shared/utils';
 
 import MessageSound from '../assets/sound.mp3';
 
+interface StoreSettings {
+  name: string;
+  avatar: string;
+  color: string;
+  url: string;
+  enableNotificationTooltip: boolean;
+  enableNotificationSound: boolean;
+  isDarkTheme: boolean;
+}
 class RootStore {
   constructor() {
     makeAutoObservable(this);
@@ -82,7 +91,7 @@ class RootStore {
 
   isMinimized = false;
 
-  settings = {
+  settings: StoreSettings = {
     name: '',
     avatar: '',
     color: '#4F4F4F',
@@ -94,6 +103,13 @@ class RootStore {
 
   notifications = [];
 
+  setSetting(key: keyof StoreSettings, value: string | boolean) {
+    this.settings = {
+      ...this.settings,
+      [key]: value,
+    };
+  }
+
   setIsMinimized(isMinimized: boolean) {
     this.isMinimized = isMinimized;
   }
diff --git a/src/views/Settings/index.tsx b/src/views/Settings/index.tsx
index c1c5ed0..3950526 100644
--- a/src/views/Settings/index.tsx
+++ b/src/views/Settings/index.tsx
@@ -185,8 +185,10 @@ const SettingsView: FunctionComponent = observer(() => {
                   name="bell"
                   ref={ref}
                   onClick={() => {
-                    store.settings.enableNotificationSound = !store.settings
-                      .enableNotificationSound;
+                    store.setSetting(
+                      'enableNotificationSound',
+                      !store.settings.enableNotificationSound
+                    );
                     saveSettings(false);
                   }}
                 >