diff --git a/spa/src/main.js b/spa/src/main.js
index d514e31..46882c7 100644
--- a/spa/src/main.js
+++ b/spa/src/main.js
@@ -63,6 +63,7 @@ settings.load()
     .then(() => { appLoading.unmount(); app.mount('#app'); })
     .then(() => window.Telegram.WebApp.ready())
     .then(() => settings.ya_metrika_enabled && injectYaMetrika())
+    .then(() => window.Telegram.WebApp.lockOrientation())
     .catch(error => {
         console.error(error);
         const errorApp = createApp(ApplicationError, {error});