diff --git a/Plugins/Wox.Plugin.Calculator/Views/CalculatorSettings.xaml b/Plugins/Wox.Plugin.Calculator/Views/CalculatorSettings.xaml
index b9404710d..a02fdffec 100644
--- a/Plugins/Wox.Plugin.Calculator/Views/CalculatorSettings.xaml
+++ b/Plugins/Wox.Plugin.Calculator/Views/CalculatorSettings.xaml
@@ -26,13 +26,14 @@
-
+
+ Grid.Row="0"
+ x:Name="DecimalSeparatorComboBox"
+ Width="200"
+ HorizontalAlignment="Left"
+ SelectedItem="{Binding Settings.DecimalSeparator}"
+ ItemsSource="{Binding Source={ui:EnumBindingSource {x:Type calculator:DecimalSeparator}}}">