diff --git a/dev/NavigationView/NavigationView_rs1_themeresources.xaml b/dev/NavigationView/NavigationView_rs1_themeresources.xaml
index 73ebc994e3..8f6dbfb42d 100644
--- a/dev/NavigationView/NavigationView_rs1_themeresources.xaml
+++ b/dev/NavigationView/NavigationView_rs1_themeresources.xaml
@@ -1097,7 +1097,7 @@
     </Style>
 
     <Style x:Key="NavigationViewItemHeaderTextStyle" TargetType="TextBlock" BasedOn="{StaticResource BaseTextBlockStyle}">
-        <Setter Property="FontWeight" Value="Bold" />
+        <Setter Property="FontWeight" Value="SemiBold" />
         <Setter Property="OpticalMarginAlignment" Value="TrimSideBearings" />
         <Setter Property="TextWrapping" Value="NoWrap"/>        
     </Style>