diff --git a/packages/flutter_box_transform/lib/src/transformable_box.dart b/packages/flutter_box_transform/lib/src/transformable_box.dart
index 92f57ac..2c9a296 100644
--- a/packages/flutter_box_transform/lib/src/transformable_box.dart
+++ b/packages/flutter_box_transform/lib/src/transformable_box.dart
@@ -597,7 +597,7 @@ class _TransformableBoxState extends State<TransformableBox> {
       content = GestureDetector(
         behavior: HitTestBehavior.translucent,
         supportedDevices: widget.supportedDragDevices,
-        onTap: onTap,
+        onTap: widget.onTap == null ? null : onTap,
         onPanStart: onDragPanStart,
         onPanUpdate: onDragPanUpdate,
         onPanEnd: onDragPanEnd,