diff --git a/app/lib/features/editor/widgets/share_bottom_sheet.dart b/app/lib/features/editor/widgets/share_bottom_sheet.dart
index 3f8a793..30d2e8a 100644
--- a/app/lib/features/editor/widgets/share_bottom_sheet.dart
+++ b/app/lib/features/editor/widgets/share_bottom_sheet.dart
@@ -22,7 +22,7 @@ class ShareBottomSheet extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final hasClass = classId != null && classId.isNotEmpty;
+    final hasClass = classId != null && classId!.isNotEmpty;
     final theme = Theme.of(context);
 
     return Container(