diff --git a/src/Avalonia.Themes.Fluent/TextBox.xaml b/src/Avalonia.Themes.Fluent/TextBox.xaml
index 85364bffea..162835ae10 100644
--- a/src/Avalonia.Themes.Fluent/TextBox.xaml
+++ b/src/Avalonia.Themes.Fluent/TextBox.xaml
@@ -52,7 +52,6 @@
               Background="{TemplateBinding Background}"
               BorderBrush="{TemplateBinding BorderBrush}"
               BorderThickness="{TemplateBinding BorderThickness}"
-              CornerRadius="{DynamicResource ControlCornerRadius}"
               MinWidth="{TemplateBinding MinWidth}"
               MinHeight="{TemplateBinding MinHeight}">
             </Border>
@@ -156,6 +155,10 @@
     <Setter Property="BorderBrush" Value="{DynamicResource SystemControlErrorTextForegroundBrush}"/>
   </Style>
 
+  <Style Selector="TextBox /template/ Border#PART_BorderElement">
+    <Setter Property="CornerRadius" Value="{DynamicResource ControlCornerRadius}" />
+  </Style>
+
   <Style Selector="TextBox /template/ DockPanel#PART_InnerDockPanel">
     <Setter Property="Cursor" Value="IBeam" />
   </Style>