diff --git a/Userland/Libraries/LibWeb/Painting/Paintable.cpp b/Userland/Libraries/LibWeb/Painting/Paintable.cpp
index 61ce2b96c9..59ececf2f8 100644
--- a/Userland/Libraries/LibWeb/Painting/Paintable.cpp
+++ b/Userland/Libraries/LibWeb/Painting/Paintable.cpp
@@ -14,6 +14,8 @@ void Paintable::visit_edges(Cell::Visitor& visitor)
 {
     Base::visit_edges(visitor);
     visitor.visit(m_layout_node);
+    if (m_containing_block.has_value())
+        visitor.visit(m_containing_block.value());
 }
 
 Paintable::DispatchEventOfSameName Paintable::handle_mousedown(Badge<EventHandler>, CSSPixelPoint, unsigned, unsigned)
diff --git a/Userland/Libraries/LibWeb/Painting/Paintable.h b/Userland/Libraries/LibWeb/Painting/Paintable.h
index 9214208313..026b77d27d 100644
--- a/Userland/Libraries/LibWeb/Painting/Paintable.h
+++ b/Userland/Libraries/LibWeb/Painting/Paintable.h
@@ -141,7 +141,7 @@ protected:
 
 private:
     JS::NonnullGCPtr<Layout::Node> m_layout_node;
-    Optional<Layout::BlockContainer*> mutable m_containing_block;
+    Optional<JS::GCPtr<Layout::BlockContainer>> mutable m_containing_block;
 };
 
 inline DOM::Node* HitTestResult::dom_node()