diff --git a/composables/settings/definition.ts b/composables/settings/definition.ts
index 6a90c65d..4f66e9a7 100644
--- a/composables/settings/definition.ts
+++ b/composables/settings/definition.ts
@@ -21,13 +21,14 @@ export interface UserSettings {
   colorMode?: ColorMode
   fontSize: FontSize
   language: string
-  zenMode?: boolean
+  zenMode: boolean
 }
 
 export function getDefaultUserSettings(): UserSettings {
   return {
     language: DEFAULT_LANGUAGE,
     fontSize: DEFAULT_FONT_SIZE,
+    zenMode: false,
     featureFlags: {},
     wellnessSettings: {},
   }