diff --git a/WifiSitterGui/MainWindow.xaml b/WifiSitterGui/MainWindow.xaml
index 6036852..022a752 100644
--- a/WifiSitterGui/MainWindow.xaml
+++ b/WifiSitterGui/MainWindow.xaml
@@ -31,6 +31,7 @@
                     
                     <DataGrid x:Name="DataGridNics"
                               Grid.Row="1"
+                              IsReadOnly="True"
                               ItemsSource="{Binding Nics, Mode=OneWay}" />
                     <ListBox x:Name="IgnoredNicsList"
                              Grid.Row="2"