diff --git a/src/Avalonia.Themes.Fluent/TabItem.xaml b/src/Avalonia.Themes.Fluent/TabItem.xaml
index 2b0a0c1ea0..ca8d4dfeb5 100644
--- a/src/Avalonia.Themes.Fluent/TabItem.xaml
+++ b/src/Avalonia.Themes.Fluent/TabItem.xaml
@@ -39,7 +39,6 @@
                               TextBlock.FontSize="{TemplateBinding FontSize}"
                               TextBlock.FontWeight="{TemplateBinding FontWeight}" />
             <Border Name="PART_SelectedPipe"
-                    CornerRadius="{DynamicResource ControlCornerRadius}"
                     Background="{DynamicResource TabItemHeaderSelectedPipeFill}" />
           </Panel>
         </Border>
@@ -53,6 +52,7 @@
   </Style>
   <Style Selector="TabItem /template/ Border#PART_SelectedPipe">
     <Setter Property="IsVisible" Value="False" />
+	<Setter Property="CornerRadius" Value="{DynamicResource ControlCornerRadius}" />
   </Style>
 
   <!-- Selected state -->