diff --git a/src/module/Application/pwa/js/Fragment/WordRotatorSettingFragment.js b/src/module/Application/pwa/js/Fragment/WordRotatorSettingFragment.js
index 3e1605d..92cae70 100644
--- a/src/module/Application/pwa/js/Fragment/WordRotatorSettingFragment.js
+++ b/src/module/Application/pwa/js/Fragment/WordRotatorSettingFragment.js
@@ -35,6 +35,7 @@ export class WordRotatorSettingFragment extends LocalStorageSettingsFragment {
             localStorage.removeItem("levelCounter");
             localStorage.removeItem("tutorial-step");
             (await WordRotatorDb.getInstance()).removeAll(WordRotatorDb.OBJECT_STORE.LEVEL);
+            (await WordRotatorDb.getInstance()).removeAll(WordRotatorDb.OBJECT_STORE.SYSTEM_VARS);
         });
 
         if (location.hostname.includes("beta") || location.hostname.includes("127.0.0.1")) {