diff --git a/src/Avalonia.Themes.Default/MenuItem.xaml b/src/Avalonia.Themes.Default/MenuItem.xaml
index 07faf7a632..f2940227e1 100644
--- a/src/Avalonia.Themes.Default/MenuItem.xaml
+++ b/src/Avalonia.Themes.Default/MenuItem.xaml
@@ -49,7 +49,7 @@
                    ObeyScreenEdges="True">
               <Border Background="{TemplateBinding Background}"
                       BorderBrush="{DynamicResource ThemeBorderMidBrush}"
-                      BorderThickness="1">
+                      BorderThickness="{TemplateBinding BorderThickness}">
                 <ScrollViewer>
                   <Panel>
                     <ItemsPresenter Name="PART_ItemsPresenter"
@@ -107,7 +107,7 @@
                    ObeyScreenEdges="True">
               <Border Background="{TemplateBinding Background}"
                       BorderBrush="{DynamicResource ThemeBorderMidBrush}"
-                      BorderThickness="1">
+                      BorderThickness="{TemplateBinding BorderThickness}">
                 <ScrollViewer>
                   <Panel>
                     <ItemsPresenter Name="PART_ItemsPresenter"