diff --git a/Elwig/Windows/MailWindow.xaml.cs b/Elwig/Windows/MailWindow.xaml.cs
index 18c893d..6ff343d 100644
--- a/Elwig/Windows/MailWindow.xaml.cs
+++ b/Elwig/Windows/MailWindow.xaml.cs
@@ -103,7 +103,7 @@ namespace Elwig.Windows {
         public MailWindow(int? year = null) {
             InitializeComponent();
             using (var ctx = new AppDbContext()) {
-                Year = year ?? ctx.Seasons.OrderBy(s => s.Year).LastOrDefault()!.Year;
+                Year = year ?? ctx.Seasons.OrderBy(s => s.Year).LastOrDefault()?.Year ?? Utils.Today.Year;
                 Title = $"Rundschreiben - Lese {Year} - Elwig";
             }