diff --git a/src/Semi.Avalonia/Controls/AutoCompleteBox.axaml b/src/Semi.Avalonia/Controls/AutoCompleteBox.axaml
index 3d0411c..d77f4e3 100644
--- a/src/Semi.Avalonia/Controls/AutoCompleteBox.axaml
+++ b/src/Semi.Avalonia/Controls/AutoCompleteBox.axaml
@@ -19,6 +19,7 @@
                             Name="PART_TextBox"
                             VerticalAlignment="Stretch"
                             MinHeight="{TemplateBinding MinHeight}"
+                            ClearSelectionOnLostFocus="{TemplateBinding ClearSelectionOnLostFocus}"
                             DataValidationErrors.Errors="{TemplateBinding (DataValidationErrors.Errors)}"
                             Theme="{DynamicResource NonErrorTextBox}"
                             InnerLeftContent="{TemplateBinding InnerLeftContent}"
@@ -62,6 +63,7 @@
                             VerticalAlignment="Stretch"
                             MinHeight="0"
                             Classes="Bordered"
+                            ClearSelectionOnLostFocus="{TemplateBinding ClearSelectionOnLostFocus}"
                             DataValidationErrors.Errors="{TemplateBinding (DataValidationErrors.Errors)}"
                             Watermark="{TemplateBinding Watermark}" />
                         <Popup