diff --git a/SampleApps/WpfApplication/MainWindow.xaml b/SampleApps/WpfApplication/MainWindow.xaml
index fdb2ee3f..2e5f9592 100644
--- a/SampleApps/WpfApplication/MainWindow.xaml
+++ b/SampleApps/WpfApplication/MainWindow.xaml
@@ -201,7 +201,7 @@
                 </StackPanel>
                 <StackPanel Margin="5">
                     <TextBlock Text="Image Opacity" Margin="0,0,0,2" HorizontalAlignment="Center" Foreground="Gray" FontSize="10"/>
-                    <Slider AutoToolTipPlacement="TopLeft" AutoToolTipPrecision="0"
+                    <Slider AutoToolTipPlacement="TopLeft" AutoToolTipPrecision="1"
                             Width="100" VerticalAlignment="Center"
                             Minimum="0" Maximum="1" Value="{Binding Opacity, ElementName=mapImage}"/>
                 </StackPanel>