diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/TabControl.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/TabControl.xaml
index 4b32eadd..b6c10e4d 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/TabControl.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/TabControl.xaml
@@ -157,7 +157,7 @@
 
     <Style TargetType="controls:TabControl">
         <Setter Property="Padding" Value="0"/>
-        <Setter Property="Background" Value="{DynamicResource RegionBrush}"/>
+        <Setter Property="Background" Value="{DynamicResource SecondaryRegionBrush}"/>
         <Setter Property="BorderBrush" Value="{DynamicResource BorderBrush}"/>
         <Setter Property="HorizontalContentAlignment" Value="Center"/>
         <Setter Property="VerticalContentAlignment" Value="Center"/>