diff --git a/OpenUtau/Controls/ExpSelector.axaml b/OpenUtau/Controls/ExpSelector.axaml
index f4914d030..0dd86deb8 100644
--- a/OpenUtau/Controls/ExpSelector.axaml
+++ b/OpenUtau/Controls/ExpSelector.axaml
@@ -15,16 +15,21 @@
         <Style Selector="ComboBox">
           <Setter Property="Padding" Value="{DynamicResource ComboBoxPadding}" />
           <Setter Property="FocusAdorner" Value="{x:Null}" />
-          <Setter Property="MaxDropDownHeight" Value="504" />
+          <Setter Property="MaxDropDownHeight" Value="330" />
           <Setter Property="Background" Value="Transparent" />
           <Setter Property="BorderThickness" Value="0" />
           <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Disabled" />
-          <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto" />
+          <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Disabled" />
           <Setter Property="HorizontalContentAlignment" Value="Stretch" />
           <Setter Property="VerticalContentAlignment" Value="Center" />
           <Setter Property="HorizontalAlignment" Value="Left" />
           <Setter Property="VerticalAlignment" Value="Top" />
           <Setter Property="FontSize" Value="{DynamicResource ControlContentThemeFontSize}" />
+          <Setter Property="ItemsPanel">
+            <ItemsPanelTemplate>
+              <WrapPanel Orientation="Vertical" />
+            </ItemsPanelTemplate>
+          </Setter>
           <Setter Property="Template">
             <ControlTemplate>
               <DataValidationErrors>
@@ -89,6 +94,11 @@
             </ControlTemplate>
           </Setter>
         </Style>
+        <Style Selector="ComboBoxItem">
+          <Setter Property="MinWidth" Value="60" />
+          <Setter Property="Padding" Value="8,2" />
+          <Setter Property="HorizontalContentAlignment" Value="Center" />
+        </Style>
         <Style Selector="ComboBox:pointerover /template/ Border#Background">
           <Setter Property="Background" Value="Transparent"/>
         </Style>