diff --git a/Userland/Libraries/LibWeb/Geometry/DOMRectList.cpp b/Userland/Libraries/LibWeb/Geometry/DOMRectList.cpp
index 5570a0eab3..f7b670db42 100644
--- a/Userland/Libraries/LibWeb/Geometry/DOMRectList.cpp
+++ b/Userland/Libraries/LibWeb/Geometry/DOMRectList.cpp
@@ -36,6 +36,13 @@ void DOMRectList::initialize(JS::Realm& realm)
     set_prototype(&Bindings::ensure_web_prototype<Bindings::DOMRectListPrototype>(realm, "DOMRectList"_fly_string));
 }
 
+void DOMRectList::visit_edges(Cell::Visitor& visitor)
+{
+    Base::visit_edges(visitor);
+    for (auto& rect : m_rects)
+        visitor.visit(rect);
+}
+
 // https://drafts.fxtf.org/geometry-1/#dom-domrectlist-length
 u32 DOMRectList::length() const
 {
diff --git a/Userland/Libraries/LibWeb/Geometry/DOMRectList.h b/Userland/Libraries/LibWeb/Geometry/DOMRectList.h
index 5efd84718e..32f0f0b086 100644
--- a/Userland/Libraries/LibWeb/Geometry/DOMRectList.h
+++ b/Userland/Libraries/LibWeb/Geometry/DOMRectList.h
@@ -33,6 +33,7 @@ private:
     DOMRectList(JS::Realm&, Vector<JS::NonnullGCPtr<DOMRect>>);
 
     virtual void initialize(JS::Realm&) override;
+    virtual void visit_edges(Cell::Visitor&) override;
 
     // ^Bindings::LegacyPlatformObject
     virtual bool supports_indexed_properties() const override { return true; }