diff --git a/src/Ursa.Themes.Semi/Controls/Dialog.axaml b/src/Ursa.Themes.Semi/Controls/Dialog.axaml
index 750722b..3fa8557 100644
--- a/src/Ursa.Themes.Semi/Controls/Dialog.axaml
+++ b/src/Ursa.Themes.Semi/Controls/Dialog.axaml
@@ -359,7 +359,7 @@
 
     <ControlTheme x:Key="{x:Type u:DialogWindow}" TargetType="u:DialogWindow">
         <Setter Property="Title" Value="{x:Null}" />
-        <Setter Property="Background" Value="{DynamicResource WindowDefaultBackground}" />
+        <Setter Property="Background" Value="{DynamicResource BorderCardBackground}" />
         <Setter Property="TransparencyBackgroundFallback" Value="{DynamicResource WindowDefaultBackground}" />
         <Setter Property="Foreground" Value="{DynamicResource WindowDefaultForeground}" />
         <Setter Property="FontSize" Value="{DynamicResource DefaultFontSize}" />
@@ -416,7 +416,7 @@
 
     <ControlTheme x:Key="{x:Type u:DefaultDialogWindow}" TargetType="u:DefaultDialogWindow">
         <Setter Property="Title" Value="{x:Null}" />
-        <Setter Property="Background" Value="{DynamicResource WindowDefaultBackground}" />
+        <Setter Property="Background" Value="{DynamicResource BorderCardBackground}" />
         <Setter Property="TransparencyBackgroundFallback" Value="{DynamicResource WindowDefaultBackground}" />
         <Setter Property="Foreground" Value="{DynamicResource WindowDefaultForeground}" />
         <Setter Property="FontSize" Value="{DynamicResource DefaultFontSize}" />
diff --git a/src/Ursa.Themes.Semi/Controls/MessageBox.axaml b/src/Ursa.Themes.Semi/Controls/MessageBox.axaml
index a5aa865..a5d2d36 100644
--- a/src/Ursa.Themes.Semi/Controls/MessageBox.axaml
+++ b/src/Ursa.Themes.Semi/Controls/MessageBox.axaml
@@ -5,7 +5,7 @@
     <!--  Add Resources Here  -->
     <ControlTheme x:Key="{x:Type u:MessageBoxWindow}" TargetType="u:MessageBoxWindow">
         <Setter Property="Title" Value="{x:Null}" />
-        <Setter Property="Background" Value="{DynamicResource WindowDefaultBackground}" />
+        <Setter Property="Background" Value="{DynamicResource BorderCardBackground}" />
         <Setter Property="TransparencyBackgroundFallback" Value="{DynamicResource WindowDefaultBackground}" />
         <Setter Property="Foreground" Value="{DynamicResource WindowDefaultForeground}" />
         <Setter Property="FontSize" Value="{DynamicResource DefaultFontSize}" />