diff --git a/src/Calculator/Views/MainPage.xaml b/src/Calculator/Views/MainPage.xaml
index ee872121..345f6658 100644
--- a/src/Calculator/Views/MainPage.xaml
+++ b/src/Calculator/Views/MainPage.xaml
@@ -168,6 +168,7 @@
                              DataContext="{x:Bind Model}"
                              ExpandedModeThresholdWidth="Infinity"
                              IsBackButtonVisible="Collapsed"
+                             IsEnabled="{x:Bind Model.IsAlwaysOnTop, Converter={StaticResource BooleanNegationConverter}, Mode=OneWay}"
                              IsPaneToggleButtonVisible="{x:Bind Model.IsAlwaysOnTop, Converter={StaticResource BooleanNegationConverter}, Mode=OneWay}"
                              IsSettingsVisible="False"
                              ItemInvoked="OnNavItemInvoked"