diff --git a/src/MahApps.Metro.Samples/MahApps.Metro.Demo/ExampleViews/ButtonsExample.xaml b/src/MahApps.Metro.Samples/MahApps.Metro.Demo/ExampleViews/ButtonsExample.xaml
index 6e6ef952a8..de62dc1134 100644
--- a/src/MahApps.Metro.Samples/MahApps.Metro.Demo/ExampleViews/ButtonsExample.xaml
+++ b/src/MahApps.Metro.Samples/MahApps.Metro.Demo/ExampleViews/ButtonsExample.xaml
@@ -268,12 +268,13 @@
+ IsChecked="True"
+ IsThreeState="True" />
+ IsThreeState="True"
+ Style="{StaticResource MahApps.Styles.CheckBox.Win10}"/>
diff --git a/src/MahApps.Metro/Styles/Controls.CheckBox.xaml b/src/MahApps.Metro/Styles/Controls.CheckBox.xaml
index c3efe11911..5a9ceaaf32 100644
--- a/src/MahApps.Metro/Styles/Controls.CheckBox.xaml
+++ b/src/MahApps.Metro/Styles/Controls.CheckBox.xaml
@@ -193,7 +193,7 @@
@@ -204,21 +204,21 @@
+ Fill="{DynamicResource MahApps.Brushes.Gray3}" />
-