diff --git a/editor/plugins/theme_editor_plugin.cpp b/editor/plugins/theme_editor_plugin.cpp
index aba8932f1b3..830dbd29c19 100644
--- a/editor/plugins/theme_editor_plugin.cpp
+++ b/editor/plugins/theme_editor_plugin.cpp
@@ -2326,6 +2326,7 @@ void ThemeTypeEditor::_list_type_selected(int p_index) {
 }
 
 void ThemeTypeEditor::_add_type_button_cbk() {
+	add_type_filter->clear();
 	add_type_dialog->popup_centered(Size2(560, 420) * EDSCALE);
 	add_type_filter->grab_focus();
 }