diff --git a/src/Avalonia.Themes.Fluent/Controls/PopupRoot.xaml b/src/Avalonia.Themes.Fluent/Controls/PopupRoot.xaml
index f57ecd2013..5a924830b1 100644
--- a/src/Avalonia.Themes.Fluent/Controls/PopupRoot.xaml
+++ b/src/Avalonia.Themes.Fluent/Controls/PopupRoot.xaml
@@ -1,28 +1,28 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui"
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <ControlTheme x:Key="{x:Type PopupRoot}" TargetType="PopupRoot">
-      <Setter Property="Background" Value="{x:Null}" />
-      <Setter Property="TransparencyLevelHint" Value="Transparent" />
-      <Setter Property="Foreground" Value="{DynamicResource SystemControlForegroundBaseHighBrush}" />
-      <Setter Property="FontSize" Value="{DynamicResource ControlContentThemeFontSize}" />
-      <Setter Property="FontFamily" Value="{DynamicResource ContentControlThemeFontFamily}" />
-      <Setter Property="FontWeight" Value="400" />
-      <Setter Property="FontStyle" Value="Normal" />
-      <Setter Property="Template">
-        <ControlTemplate>
-          <LayoutTransformControl LayoutTransform="{TemplateBinding Transform}">
-            <Panel>
-              <Border Name="PART_TransparencyFallback" IsHitTestVisible="False" />
-              <VisualLayerManager IsPopup="True">
-                <ContentPresenter Name="PART_ContentPresenter"
-                                  Background="{TemplateBinding Background}"
-                                  ContentTemplate="{TemplateBinding ContentTemplate}"
-                                  Content="{TemplateBinding Content}"
-                                  Padding="{TemplateBinding Padding}" />
-              </VisualLayerManager>
-            </Panel>
-          </LayoutTransformControl>
-        </ControlTemplate>
-      </Setter>
-    </ControlTheme>
+  <ControlTheme x:Key="{x:Type PopupRoot}" TargetType="PopupRoot">
+    <Setter Property="Background" Value="{x:Null}" />
+    <Setter Property="TransparencyLevelHint" Value="Transparent" />
+    <Setter Property="Foreground" Value="{DynamicResource SystemControlForegroundBaseHighBrush}" />
+    <Setter Property="FontSize" Value="{DynamicResource ControlContentThemeFontSize}" />
+    <Setter Property="FontFamily" Value="{DynamicResource ContentControlThemeFontFamily}" />
+    <Setter Property="FontWeight" Value="400" />
+    <Setter Property="FontStyle" Value="Normal" />
+    <Setter Property="Template">
+      <ControlTemplate>
+        <LayoutTransformControl LayoutTransform="{TemplateBinding Transform}">
+          <Panel>
+            <Border Name="PART_TransparencyFallback" IsHitTestVisible="False" />
+            <VisualLayerManager IsPopup="True">
+              <ContentPresenter Name="PART_ContentPresenter"
+                                Background="{TemplateBinding Background}"
+                                ContentTemplate="{TemplateBinding ContentTemplate}"
+                                Content="{TemplateBinding Content}"
+                                Padding="{TemplateBinding Padding}" />
+            </VisualLayerManager>
+          </Panel>
+        </LayoutTransformControl>
+      </ControlTemplate>
+    </Setter>
+  </ControlTheme>
 </ResourceDictionary>