diff --git a/packages/flutter/lib/src/material/app_bar.dart b/packages/flutter/lib/src/material/app_bar.dart
index 35154cde111..c23e295a626 100644
--- a/packages/flutter/lib/src/material/app_bar.dart
+++ b/packages/flutter/lib/src/material/app_bar.dart
@@ -1262,7 +1262,7 @@ class _SliverAppBarDelegate extends SliverPersistentHeaderDelegate {
 /// ```
 /// {@end-tool}
 ///
-/// {@tool dartpad --template=freeform}
+/// {@tool dartpad --template=freeform_no_null_safety}
 ///
 /// This sample shows a [SliverAppBar] and it's behaviors when using the [pinned], [snap] and [floating] parameters.
 ///