diff --git a/src/Semi.Avalonia/Controls/ComboBox.axaml b/src/Semi.Avalonia/Controls/ComboBox.axaml
index b59da08..32431ce 100644
--- a/src/Semi.Avalonia/Controls/ComboBox.axaml
+++ b/src/Semi.Avalonia/Controls/ComboBox.axaml
@@ -61,6 +61,7 @@
                             Margin="{TemplateBinding Padding}"
                             HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                             VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
+                            TextTrimming="CharacterEllipsis"
                             Foreground="{TemplateBinding Foreground}"
                             IsVisible="{TemplateBinding SelectionBoxItem,
                                                         Converter={x:Static ObjectConverters.IsNull}}"