diff --git a/packages/two_dimensional_scrollables/CHANGELOG.md b/packages/two_dimensional_scrollables/CHANGELOG.md
index a201be420b1f..691c93fe50d2 100644
--- a/packages/two_dimensional_scrollables/CHANGELOG.md
+++ b/packages/two_dimensional_scrollables/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.3.9
+
+* Fix hit testing issue when horizontally scrolled.
+
 ## 0.3.8
 
 * Updates minimum supported SDK version to Flutter 3.35/Dart 3.9.
diff --git a/packages/two_dimensional_scrollables/lib/src/tree_view/render_tree.dart b/packages/two_dimensional_scrollables/lib/src/tree_view/render_tree.dart
index 1c077c63f2a3..42814ae05d3e 100644
--- a/packages/two_dimensional_scrollables/lib/src/tree_view/render_tree.dart
+++ b/packages/two_dimensional_scrollables/lib/src/tree_view/render_tree.dart
@@ -162,7 +162,7 @@ class RenderTreeViewport extends RenderTwoDimensionalViewport {
       }
       final Rect rowRect =
           parentData.paintOffset! &
-          Size(viewportDimension.width, row.size.height);
+          Size(row.size.width, row.size.height);
       if (rowRect.contains(position)) {
         result.addWithPaintOffset(
           offset: parentData.paintOffset,
diff --git a/packages/two_dimensional_scrollables/pubspec.yaml b/packages/two_dimensional_scrollables/pubspec.yaml
index c17706a2af68..9d16a900d995 100644
--- a/packages/two_dimensional_scrollables/pubspec.yaml
+++ b/packages/two_dimensional_scrollables/pubspec.yaml
@@ -1,6 +1,6 @@
 name: two_dimensional_scrollables
 description: Widgets that scroll using the two dimensional scrolling foundation.
-version: 0.3.8
+version: 0.3.9
 repository: https://github.com/flutter/packages/tree/main/packages/two_dimensional_scrollables
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+two_dimensional_scrollables%22+