diff --git a/Userland/Libraries/LibWeb/HTML/DragEvent.cpp b/Userland/Libraries/LibWeb/HTML/DragEvent.cpp
index da89bd2a8c9..47d1ec087f9 100644
--- a/Userland/Libraries/LibWeb/HTML/DragEvent.cpp
+++ b/Userland/Libraries/LibWeb/HTML/DragEvent.cpp
@@ -36,4 +36,10 @@ void DragEvent::initialize(JS::Realm& realm)
     WEB_SET_PROTOTYPE_FOR_INTERFACE(DragEvent);
 }
 
+void DragEvent::visit_edges(JS::Cell::Visitor& visitor)
+{
+    Base::visit_edges(visitor);
+    visitor.visit(m_data_transfer);
+}
+
 }
diff --git a/Userland/Libraries/LibWeb/HTML/DragEvent.h b/Userland/Libraries/LibWeb/HTML/DragEvent.h
index a4522ff0eaa..ec48373cdff 100644
--- a/Userland/Libraries/LibWeb/HTML/DragEvent.h
+++ b/Userland/Libraries/LibWeb/HTML/DragEvent.h
@@ -34,6 +34,7 @@ private:
     DragEvent(JS::Realm&, FlyString const& event_name, DragEventInit const& event_init, double page_x, double page_y, double offset_x, double offset_y);
 
     virtual void initialize(JS::Realm&) override;
+    virtual void visit_edges(JS::Cell::Visitor&) override;
 
     JS::GCPtr<DataTransfer> m_data_transfer;
 };