diff --git a/src/Semi.Avalonia.ColorPicker/Controls/ColorPicker.axaml b/src/Semi.Avalonia.ColorPicker/Controls/ColorPicker.axaml
index 3498113..002f185 100644
--- a/src/Semi.Avalonia.ColorPicker/Controls/ColorPicker.axaml
+++ b/src/Semi.Avalonia.ColorPicker/Controls/ColorPicker.axaml
@@ -234,7 +234,7 @@
                                             RowDefinitions="Auto,24,1*,1*,1*,1*,12"
                                             Tag="{TemplateBinding ColorModel}">
                                             <Grid.Styles>
-                                                <Style Selector="NumericUpDown /template/ TextBox">
+                                                <Style Selector="NumericUpDown">
                                                     <Setter Property="InnerLeftContent">
                                                         <Template>
                                                             <TextBlock Width="12" Text="{Binding $parent[NumericUpDown].Tag}" />
diff --git a/src/Semi.Avalonia.ColorPicker/Controls/ColorView.axaml b/src/Semi.Avalonia.ColorPicker/Controls/ColorView.axaml
index 34dfa31..f3bb519 100644
--- a/src/Semi.Avalonia.ColorPicker/Controls/ColorView.axaml
+++ b/src/Semi.Avalonia.ColorPicker/Controls/ColorView.axaml
@@ -322,7 +322,7 @@
                                 RowDefinitions="Auto,24,1*,1*,1*,1*,12"
                                 UseLayoutRounding="False">
                                 <Grid.Styles>
-                                    <Style Selector="NumericUpDown /template/ TextBox">
+                                    <Style Selector="NumericUpDown">
                                         <Setter Property="InnerLeftContent">
                                             <Template>
                                                 <TextBlock Width="12" Text="{Binding $parent[NumericUpDown].Tag}" />