diff --git a/src/Semi.Avalonia/Controls/DropDownButton.axaml b/src/Semi.Avalonia/Controls/DropDownButton.axaml
index 180ee7b..c9dd99a 100644
--- a/src/Semi.Avalonia/Controls/DropDownButton.axaml
+++ b/src/Semi.Avalonia/Controls/DropDownButton.axaml
@@ -141,6 +141,7 @@