diff --git a/src/module/Application/pwa/js/Fragment/WordRotatorSettingFragment.js b/src/module/Application/pwa/js/Fragment/WordRotatorSettingFragment.js
index 2f46c99..5147d9b 100644
--- a/src/module/Application/pwa/js/Fragment/WordRotatorSettingFragment.js
+++ b/src/module/Application/pwa/js/Fragment/WordRotatorSettingFragment.js
@@ -64,9 +64,9 @@ export class WordRotatorSettingFragment extends LocalStorageSettingsFragment {
         InstallManager.setCanInstallListener(() => {
             let installButton = this.findBy("#install-button");
             installButton.addEventListener("click", () => {
+                installButton.classList.add("hidden");
                 InstallManager.prompt().then((e) => {
                     console.log("clicked", e);
-                    installButton.classList.add("hidden");
                 });
             });
             installButton.classList.remove("hidden");