diff --git a/lib/main.dart b/lib/main.dart
index 7eb68ad..52887a8 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -40,6 +40,11 @@ class MyApp extends StatelessWidget {
   static FirebaseAnalytics analytics = FirebaseAnalytics.instance;
   static FirebaseAnalyticsObserver observer =
       FirebaseAnalyticsObserver(analytics: analytics);
+  static final _defaultLightColorScheme =
+      ColorScheme.fromSwatch(primarySwatch: Colors.blue);
+
+  static final _defaultDarkColorScheme = ColorScheme.fromSwatch(
+      primarySwatch: Colors.blue, brightness: Brightness.dark);
 
   // This widget is the root of your application.
   @override
@@ -55,11 +60,11 @@ class MyApp extends StatelessWidget {
         supportedLocales: AppLocalizations.supportedLocales,
         navigatorObservers: [SentryNavigatorObserver(), observer],
         theme: ThemeData(
-          colorScheme: lightColorScheme,
+          colorScheme: lightColorScheme ?? _defaultLightColorScheme,
           useMaterial3: true,
         ),
         darkTheme: ThemeData(
-          colorScheme: darkColorScheme,
+          colorScheme: darkColorScheme ?? _defaultDarkColorScheme,
           useMaterial3: true,
         ),
         themeMode: ThemeMode.dark,