diff --git a/index.js b/index.js
index 76d7384..578aaca 100644
--- a/index.js
+++ b/index.js
@@ -95,6 +95,10 @@ Navigation.events().registerAppLaunchedListener(async () => {
         firebase.crashlytics().enableCrashlyticsCollection();
     }
 
+    Navigation.setDefaultOptions({
+        layout: { orientation: ['portrait'] },
+    })
+
     try {
         await loadIcon();
     } catch (err) {