diff --git a/lib/pages/space_tree/view/custom_expansion.dart b/lib/pages/space_tree/view/custom_expansion.dart
index e4e7f423..dab0a49f 100644
--- a/lib/pages/space_tree/view/custom_expansion.dart
+++ b/lib/pages/space_tree/view/custom_expansion.dart
@@ -31,7 +31,7 @@ class CustomExpansionTileSpaceTree extends StatelessWidget {
           children: [
             Checkbox(
               value: isSoldCheck ? null : isSelected,
-              onChanged: (value) => onItemSelected ?? () {},
+              onChanged: (value) => onItemSelected?.call(),
               tristate: true,
               side: WidgetStateBorderSide.resolveWith(
                 (states) => const BorderSide(color: ColorsManager.grayBorder),