diff --git a/Elwig/Windows/MailLogWindow.xaml.cs b/Elwig/Windows/MailLogWindow.xaml.cs
index 31e5a65..ed46dfb 100644
--- a/Elwig/Windows/MailLogWindow.xaml.cs
+++ b/Elwig/Windows/MailLogWindow.xaml.cs
@@ -19,6 +19,7 @@ namespace Elwig.Windows {
         }
 
         private async void TimeSpanInput_SelectionChanged(object sender, RoutedEventArgs evt) {
+            if (!IsLoaded) return;
             DateTime? fromDate = DateTime.Now;
             if (TimeSpanInput.SelectedIndex == 0) {
                 fromDate = fromDate.Value.AddDays(-7);
@@ -50,6 +51,7 @@ namespace Elwig.Windows {
         }
 
         private void ApplyFilters() {
+            if (!IsLoaded) return;
             var filters = FilterInput.Text.Split(' ');
             IEnumerable<Row> data = Data;
             switch (TypeInput.SelectedIndex) {