diff --git a/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Styles/ListViewItem.xaml b/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Styles/ListViewItem.xaml
index 41405ba4ae5..cc3a1e96545 100644
--- a/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Styles/ListViewItem.xaml
+++ b/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Styles/ListViewItem.xaml
@@ -47,7 +47,7 @@
                             <Rectangle
                                 x:Name="ActiveRectangle"
                                 Width="3"
-                                Height="18"
+                                Height="16"
                                 Margin="0"
                                 HorizontalAlignment="Left"
                                 VerticalAlignment="Center"
@@ -97,7 +97,7 @@
                             <Rectangle
                                 x:Name="ActiveRectangle"
                                 Width="3"
-                                Height="18"
+                                Height="16"
                                 Margin="0"
                                 HorizontalAlignment="Left"
                                 VerticalAlignment="Center"
diff --git a/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.Dark.xaml b/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.Dark.xaml
index 677bd8d5e1d..b1c32849b9e 100644
--- a/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.Dark.xaml
+++ b/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.Dark.xaml
@@ -3713,7 +3713,7 @@
           <Border x:Name="Border" Margin="0" Padding="0" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" CornerRadius="{TemplateBinding Border.CornerRadius}">
             <Grid>
               <ContentPresenter Margin="{TemplateBinding Padding}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
-              <Rectangle x:Name="ActiveRectangle" Width="3" Height="18" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Center" Fill="{DynamicResource ListViewItemPillFillBrush}" RadiusX="2" RadiusY="2" Visibility="Collapsed" />
+              <Rectangle x:Name="ActiveRectangle" Width="3" Height="16" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Center" Fill="{DynamicResource ListViewItemPillFillBrush}" RadiusX="2" RadiusY="2" Visibility="Collapsed" />
             </Grid>
           </Border>
           <ControlTemplate.Triggers>
@@ -3743,7 +3743,7 @@
             <Grid x:Name="ContentGrid">
               <!-- remove the HorizontalAlignment due to HeaderRowPresenter does not have the ability to align to center or right -->
               <GridViewRowPresenter Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
-              <Rectangle x:Name="ActiveRectangle" Width="3" Height="18" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Center" Fill="{DynamicResource ListViewItemPillFillBrush}" RadiusX="2" RadiusY="2" Visibility="Collapsed" />
+              <Rectangle x:Name="ActiveRectangle" Width="3" Height="16" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Center" Fill="{DynamicResource ListViewItemPillFillBrush}" RadiusX="2" RadiusY="2" Visibility="Collapsed" />
             </Grid>
           </Border>
           <ControlTemplate.Triggers>
diff --git a/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.HC.xaml b/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.HC.xaml
index d5cd2ed3588..59ba9ef2743 100644
--- a/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.HC.xaml
+++ b/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.HC.xaml
@@ -3613,7 +3613,7 @@
           <Border x:Name="Border" Margin="0" Padding="0" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" CornerRadius="{TemplateBinding Border.CornerRadius}">
             <Grid>
               <ContentPresenter Margin="{TemplateBinding Padding}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
-              <Rectangle x:Name="ActiveRectangle" Width="3" Height="18" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Center" Fill="{DynamicResource ListViewItemPillFillBrush}" RadiusX="2" RadiusY="2" Visibility="Collapsed" />
+              <Rectangle x:Name="ActiveRectangle" Width="3" Height="16" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Center" Fill="{DynamicResource ListViewItemPillFillBrush}" RadiusX="2" RadiusY="2" Visibility="Collapsed" />
             </Grid>
           </Border>
           <ControlTemplate.Triggers>
@@ -3643,7 +3643,7 @@
             <Grid x:Name="ContentGrid">
               <!-- remove the HorizontalAlignment due to HeaderRowPresenter does not have the ability to align to center or right -->
               <GridViewRowPresenter Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
-              <Rectangle x:Name="ActiveRectangle" Width="3" Height="18" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Center" Fill="{DynamicResource ListViewItemPillFillBrush}" RadiusX="2" RadiusY="2" Visibility="Collapsed" />
+              <Rectangle x:Name="ActiveRectangle" Width="3" Height="16" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Center" Fill="{DynamicResource ListViewItemPillFillBrush}" RadiusX="2" RadiusY="2" Visibility="Collapsed" />
             </Grid>
           </Border>
           <ControlTemplate.Triggers>
diff --git a/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.Light.xaml b/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.Light.xaml
index 1caa149fcaa..e4fbcfed0b0 100644
--- a/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.Light.xaml
+++ b/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.Light.xaml
@@ -3728,7 +3728,7 @@
           <Border x:Name="Border" Margin="0" Padding="0" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" CornerRadius="{TemplateBinding Border.CornerRadius}">
             <Grid>
               <ContentPresenter Margin="{TemplateBinding Padding}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
-              <Rectangle x:Name="ActiveRectangle" Width="3" Height="18" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Center" Fill="{DynamicResource ListViewItemPillFillBrush}" RadiusX="2" RadiusY="2" Visibility="Collapsed" />
+              <Rectangle x:Name="ActiveRectangle" Width="3" Height="16" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Center" Fill="{DynamicResource ListViewItemPillFillBrush}" RadiusX="2" RadiusY="2" Visibility="Collapsed" />
             </Grid>
           </Border>
           <ControlTemplate.Triggers>
@@ -3758,7 +3758,7 @@
             <Grid x:Name="ContentGrid">
               <!-- remove the HorizontalAlignment due to HeaderRowPresenter does not have the ability to align to center or right -->
               <GridViewRowPresenter Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
-              <Rectangle x:Name="ActiveRectangle" Width="3" Height="18" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Center" Fill="{DynamicResource ListViewItemPillFillBrush}" RadiusX="2" RadiusY="2" Visibility="Collapsed" />
+              <Rectangle x:Name="ActiveRectangle" Width="3" Height="16" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Center" Fill="{DynamicResource ListViewItemPillFillBrush}" RadiusX="2" RadiusY="2" Visibility="Collapsed" />
             </Grid>
           </Border>
           <ControlTemplate.Triggers>
diff --git a/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.xaml b/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.xaml
index 3d526ab25b4..0fe5eb351d3 100644
--- a/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.xaml
+++ b/src/Microsoft.DotNet.Wpf/src/Themes/PresentationFramework.Fluent/Themes/Fluent.xaml
@@ -2910,7 +2910,7 @@
           <Border x:Name="Border" Margin="0" Padding="0" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" CornerRadius="{TemplateBinding Border.CornerRadius}">
             <Grid>
               <ContentPresenter Margin="{TemplateBinding Padding}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
-              <Rectangle x:Name="ActiveRectangle" Width="3" Height="18" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Center" Fill="{DynamicResource ListViewItemPillFillBrush}" RadiusX="2" RadiusY="2" Visibility="Collapsed" />
+              <Rectangle x:Name="ActiveRectangle" Width="3" Height="16" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Center" Fill="{DynamicResource ListViewItemPillFillBrush}" RadiusX="2" RadiusY="2" Visibility="Collapsed" />
             </Grid>
           </Border>
           <ControlTemplate.Triggers>
@@ -2940,7 +2940,7 @@
             <Grid x:Name="ContentGrid">
               <!-- remove the HorizontalAlignment due to HeaderRowPresenter does not have the ability to align to center or right -->
               <GridViewRowPresenter Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
-              <Rectangle x:Name="ActiveRectangle" Width="3" Height="18" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Center" Fill="{DynamicResource ListViewItemPillFillBrush}" RadiusX="2" RadiusY="2" Visibility="Collapsed" />
+              <Rectangle x:Name="ActiveRectangle" Width="3" Height="16" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Center" Fill="{DynamicResource ListViewItemPillFillBrush}" RadiusX="2" RadiusY="2" Visibility="Collapsed" />
             </Grid>
           </Border>
           <ControlTemplate.Triggers>