diff --git a/HandyControl/Themes/Styles/Base/NumericUpDownBaseStyle.xaml b/HandyControl/Themes/Styles/Base/NumericUpDownBaseStyle.xaml
index 3426a70b..e57c6a43 100644
--- a/HandyControl/Themes/Styles/Base/NumericUpDownBaseStyle.xaml
+++ b/HandyControl/Themes/Styles/Base/NumericUpDownBaseStyle.xaml
@@ -33,7 +33,7 @@
                             <ColumnDefinition Width="Auto"/>
                         </Grid.ColumnDefinitions>
                         <Border Grid.ColumnSpan="2" x:Name="border" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
-                            <TextBox Focusable="True" Foreground="{TemplateBinding Foreground}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Background="{TemplateBinding Background}" x:Name="PART_TextBox" BorderThickness="0" Style="{x:Null}" Padding="{TemplateBinding Padding}" Margin="2,0,30,1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
+                            <controls:WatermarkTextBox Focusable="True" Foreground="{TemplateBinding Foreground}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Background="{TemplateBinding Background}" x:Name="PART_TextBox" BorderThickness="0" Style="{x:Null}" Padding="{TemplateBinding Padding}" Margin="2,0,30,1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
                         </Border>
                         <Button Visibility="{TemplateBinding ShowUpDownButton,Converter={StaticResource Boolean2VisibilityConverter}}" Command="interactivity:ControlCommands.Prev" Padding="5,7,5,1" Margin="0,0,0,16" Focusable="False" Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=border}" controls:IconElement.Geometry="{StaticResource UpGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
                         <Button Visibility="{TemplateBinding ShowUpDownButton,Converter={StaticResource Boolean2VisibilityConverter}}" Command="interactivity:ControlCommands.Next" Padding="5,1,5,7" Margin="0,16,0,0" Focusable="False" Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=border}" controls:IconElement.Geometry="{StaticResource DownGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>