diff --git a/Userland/Libraries/LibWeb/HTML/ServiceWorkerContainer.cpp b/Userland/Libraries/LibWeb/HTML/ServiceWorkerContainer.cpp
index 1f8d6b56a1c..7d69059aad7 100644
--- a/Userland/Libraries/LibWeb/HTML/ServiceWorkerContainer.cpp
+++ b/Userland/Libraries/LibWeb/HTML/ServiceWorkerContainer.cpp
@@ -17,15 +17,24 @@ JS_DEFINE_ALLOCATOR(ServiceWorkerContainer);
 
 ServiceWorkerContainer::ServiceWorkerContainer(JS::Realm& realm)
     : DOM::EventTarget(realm)
+    , m_service_worker_client(relevant_settings_object(*this))
 {
 }
 
+ServiceWorkerContainer::~ServiceWorkerContainer() = default;
+
 void ServiceWorkerContainer::initialize(JS::Realm& realm)
 {
     Base::initialize(realm);
     WEB_SET_PROTOTYPE_FOR_INTERFACE(ServiceWorkerContainer);
 }
 
+void ServiceWorkerContainer::visit_edges(Cell::Visitor& visitor)
+{
+    Base::visit_edges(visitor);
+    visitor.visit(m_service_worker_client);
+}
+
 JS::NonnullGCPtr<ServiceWorkerContainer> ServiceWorkerContainer::create(JS::Realm& realm)
 {
     return realm.heap().allocate<ServiceWorkerContainer>(realm, realm);
diff --git a/Userland/Libraries/LibWeb/HTML/ServiceWorkerContainer.h b/Userland/Libraries/LibWeb/HTML/ServiceWorkerContainer.h
index eeb289b4bc8..9576ac013be 100644
--- a/Userland/Libraries/LibWeb/HTML/ServiceWorkerContainer.h
+++ b/Userland/Libraries/LibWeb/HTML/ServiceWorkerContainer.h
@@ -22,7 +22,7 @@ class ServiceWorkerContainer : public DOM::EventTarget {
 
 public:
     [[nodiscard]] static JS::NonnullGCPtr<ServiceWorkerContainer> create(JS::Realm& realm);
-    virtual ~ServiceWorkerContainer() override = default;
+    virtual ~ServiceWorkerContainer() override;
 
 #undef __ENUMERATE
 #define __ENUMERATE(attribute_name, event_name)       \
@@ -35,6 +35,9 @@ private:
     explicit ServiceWorkerContainer(JS::Realm&);
 
     virtual void initialize(JS::Realm&) override;
+    virtual void visit_edges(Cell::Visitor&) override;
+
+    JS::NonnullGCPtr<EnvironmentSettingsObject> m_service_worker_client;
 };
 
 }