diff --git a/lib/main.dart b/lib/main.dart
index 5915448..b1371a6 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -128,10 +128,12 @@ class RouteGenerator {
         return MaterialPageRoute(builder: (context) => YearInstructionPage());
       }
       default: {
-        return MaterialPageRoute(builder: (context) => YearsPage());
+        return null;
       }
     }
   }
+
+
 }