diff --git a/packages/smooth_app/lib/widgets/v2/smooth_topbar2.dart b/packages/smooth_app/lib/widgets/v2/smooth_topbar2.dart
index 0a7a97781cf9..2865cc4cd7fa 100644
--- a/packages/smooth_app/lib/widgets/v2/smooth_topbar2.dart
+++ b/packages/smooth_app/lib/widgets/v2/smooth_topbar2.dart
@@ -91,6 +91,7 @@ class _SmoothTopBar2State extends State<SmoothTopBar2> {
               top: MediaQuery.viewPaddingOf(context).top,
             ),
             child: Column(
+              mainAxisSize: MainAxisSize.min,
               children: <Widget>[
                 if (widget.topWidget != null)
                   SizedBox.fromSize(