diff --git a/src/Nonemm.Recorder.App/ChannelRow.cs b/src/Nonemm.Recorder.App/ChannelRow.cs
index 274de07..9d6de90 100644
--- a/src/Nonemm.Recorder.App/ChannelRow.cs
+++ b/src/Nonemm.Recorder.App/ChannelRow.cs
@@ -34,7 +34,14 @@ internal sealed class ChannelRow : Grid
         Margin = new Thickness(0, 2);
 
         sources.ItemTemplate = new FuncDataTemplate<SourceChoice>((choice, _) =>
-            new TextBlock { Text = choice?.Label, Foreground = choice?.Brush });
+        {
+            TextBlock text = new() { Text = choice?.Label };
+            if (choice?.Brush is { } brush)
+            {
+                text.Foreground = brush;
+            }
+            return text;
+        });
         sources.SelectionChanged += (_, _) => OnSourcePicked();
 
         monitor.Content = new PathIcon { Data = Geometry.Parse(HeadphonesPath), Width = 16, Height = 16 };
@@ -90,7 +97,14 @@ internal sealed class ChannelRow : Grid
         double peak = Math.Sqrt(Math.Min(1.0, Channel.TakePeak()));
         shown = Math.Max(peak, shown * 0.85);
         level.Value = shown;
-        sources.Foreground = Channel.IsAvailable ? null : new SolidColorBrush(Color.Parse("#D93025"));
+        if (Channel.IsAvailable)
+        {
+            sources.ClearValue(TemplatedControl.ForegroundProperty);
+        }
+        else
+        {
+            sources.Foreground = new SolidColorBrush(Color.Parse("#D93025"));
+        }
         ToolTip.SetTip(sources, Channel.IsAvailable ? null : Channel.Problem);
     }
 
diff --git a/src/Nonemm.Recorder.App/MainWindow.axaml b/src/Nonemm.Recorder.App/MainWindow.axaml
index d633eba..8ccec82 100644
--- a/src/Nonemm.Recorder.App/MainWindow.axaml
+++ b/src/Nonemm.Recorder.App/MainWindow.axaml
@@ -13,7 +13,7 @@
             <Button Name="AddButton" Content="Add channel" />
             <StackPanel Grid.Column="1" Orientation="Horizontal" Spacing="6" HorizontalAlignment="Right">
                 <TextBlock Text="Bitrate per channel" VerticalAlignment="Center" />
-                <NumericUpDown Name="BitrateBox" Minimum="6" Maximum="256" Increment="2" Value="32" Width="150" FormatString="0 &quot;kbps&quot;" />
+                <NumericUpDown Name="BitrateBox" Minimum="6" Maximum="256" Increment="4" Value="32" Width="150" FormatString="0 &quot;kbps&quot;" />
             </StackPanel>
             <Grid Grid.Row="1" Grid.ColumnSpan="2" ColumnDefinitions="Auto,*,Auto" ColumnSpacing="8">
                 <TextBlock Text="Save in" VerticalAlignment="Center" />
diff --git a/src/Nonemm.Recorder.App/MainWindow.axaml.cs b/src/Nonemm.Recorder.App/MainWindow.axaml.cs
index ea9a368..510c2a3 100644
--- a/src/Nonemm.Recorder.App/MainWindow.axaml.cs
+++ b/src/Nonemm.Recorder.App/MainWindow.axaml.cs
@@ -166,7 +166,14 @@ public partial class MainWindow : Window
     private void ShowRecordState(bool isRecording)
     {
         RecordButton.Content = isRecording ? "■ Stop" : "● Record";
-        RecordButton.Foreground = isRecording ? null : new SolidColorBrush(Color.Parse("#D93025"));
+        if (isRecording)
+        {
+            RecordButton.ClearValue(ForegroundProperty);
+        }
+        else
+        {
+            RecordButton.Foreground = new SolidColorBrush(Color.Parse("#D93025"));
+        }
         PauseButton.IsEnabled = isRecording;
         PauseButton.Content = "Pause";
         AddButton.IsEnabled = !isRecording && engine is not null;
@@ -229,6 +236,13 @@ public partial class MainWindow : Window
     private void Say(string text, bool isProblem)
     {
         StatusText.Text = text;
-        StatusText.Foreground = isProblem ? new SolidColorBrush(Color.Parse("#D93025")) : null;
+        if (isProblem)
+        {
+            StatusText.Foreground = new SolidColorBrush(Color.Parse("#D93025"));
+        }
+        else
+        {
+            StatusText.ClearValue(ForegroundProperty);
+        }
     }
 }