diff --git a/lib/main.dart b/lib/main.dart
index 649e9e1..0556b9b 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -10,8 +10,8 @@ import 'package:overlay_support/overlay_support.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
-  EnvironmentConfig.loadEnvVariables();
-  SystemChrome.setPreferredOrientations([
+  await EnvironmentConfig.loadEnvVariables();
+  await SystemChrome.setPreferredOrientations([
     DeviceOrientation.portraitUp,
     DeviceOrientation.portraitDown,
   ]);