diff --git a/src/Semi.Avalonia/Controls/RadioButton.axaml b/src/Semi.Avalonia/Controls/RadioButton.axaml
index 55e5971..2ec815c 100644
--- a/src/Semi.Avalonia/Controls/RadioButton.axaml
+++ b/src/Semi.Avalonia/Controls/RadioButton.axaml
@@ -207,6 +207,9 @@
         <Style Selector="^:checked">
             <Setter Property="RadioButton.Background" Value="{DynamicResource RadioButtonButtonCheckedBackground}" />
             <Setter Property="RadioButton.Foreground" Value="{DynamicResource RadioButtonButtonCheckedForeground}" />
+            <Style Selector="^:disabled">
+                <Setter Property="RadioButton.Foreground" Value="{DynamicResource RadioButtonButtonCheckedDisabledForeground}" />
+            </Style>
         </Style>
         <Style Selector="^.Small">
             <Setter Property="RadioButton.FontSize" Value="{DynamicResource RadioButtonButtonSmallFontSize}" />
diff --git a/src/Semi.Avalonia/Themes/Dark/RadioButton.axaml b/src/Semi.Avalonia/Themes/Dark/RadioButton.axaml
index ff7ab22..73890a1 100644
--- a/src/Semi.Avalonia/Themes/Dark/RadioButton.axaml
+++ b/src/Semi.Avalonia/Themes/Dark/RadioButton.axaml
@@ -52,6 +52,7 @@
     <SolidColorBrush x:Key="RadioButtonButtonUncheckedDisabledForeground" Color="#78787A" />
     <SolidColorBrush x:Key="RadioButtonButtonCheckedBackground" Color="#43444A" />
     <SolidColorBrush x:Key="RadioButtonButtonCheckedForeground" Color="#54A9FF" />
+    <SolidColorBrush x:Key="RadioButtonButtonCheckedDisabledForeground" Color="#78787A" />
 
     <Thickness x:Key="RadioButtonCardPadding">16 12</Thickness>
 
diff --git a/src/Semi.Avalonia/Themes/Light/RadioButton.axaml b/src/Semi.Avalonia/Themes/Light/RadioButton.axaml
index d64fb12..e584fbd 100644
--- a/src/Semi.Avalonia/Themes/Light/RadioButton.axaml
+++ b/src/Semi.Avalonia/Themes/Light/RadioButton.axaml
@@ -52,6 +52,7 @@
     <SolidColorBrush x:Key="RadioButtonButtonUncheckedDisabledForeground" Color="#A9AAAB" />
     <SolidColorBrush x:Key="RadioButtonButtonCheckedForeground" Color="#0077FA" />
     <SolidColorBrush x:Key="RadioButtonButtonCheckedBackground" Color="White" />
+    <SolidColorBrush x:Key="RadioButtonButtonCheckedDisabledForeground" Color="#A9AAAB" />
 
     <Thickness x:Key="RadioButtonCardPadding">16 12</Thickness>