diff --git a/src/common/user-store.ts b/src/common/user-store.ts
index b03616c1d2..0fdf6e6fab 100644
--- a/src/common/user-store.ts
+++ b/src/common/user-store.ts
@@ -88,7 +88,8 @@ export class UserStore extends BaseStore<UserStoreModel> {
   }
 
   @action
-  resetTheme() {
+  async resetTheme() {
+    await userStore.whenLoaded;
     this.preferences.colorTheme = UserStore.defaultTheme;
   }