diff --git a/dev/TabView/TabView.xaml b/dev/TabView/TabView.xaml
index 852ccf3d33..d28aebfa6d 100644
--- a/dev/TabView/TabView.xaml
+++ b/dev/TabView/TabView.xaml
@@ -1,4 +1,4 @@
-<!-- Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT License. See LICENSE in the project root for license information. -->
+<!-- Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT License. See LICENSE in the project root for license information. -->
 <ResourceDictionary
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -377,7 +377,6 @@
         </Setter>
     </Style>
 
-
     <Style TargetType="local:TabViewItem">
         <Setter Property="HorizontalContentAlignment" Value="Left"/>
         <Setter Property="UseSystemFocusVisuals" Value="{StaticResource UseSystemFocusVisuals}" />
@@ -648,7 +647,7 @@
                             Grid.Column="1"
                             BorderBrush="{ThemeResource TabViewItemSeparator}"
                             BorderThickness="1"
-                            Margin="0,6,0,6"/>
+                            Margin="{ThemeResource TabViewItemSeparatorMargin}"/>
 
                         <Grid x:Name="TabContainer"
                             Grid.Column="1"
diff --git a/dev/TabView/TabView_themeresources.xaml b/dev/TabView/TabView_themeresources.xaml
index c2603bbbd0..ea92ce58f3 100644
--- a/dev/TabView/TabView_themeresources.xaml
+++ b/dev/TabView/TabView_themeresources.xaml
@@ -116,4 +116,6 @@
 
     <x:Double x:Key="TabViewShadowDepth">16</x:Double>
 
+    <Thickness x:Key="TabViewItemSeparatorMargin">0,6,0,6</Thickness>
+
 </ResourceDictionary>