diff --git a/Userland/Libraries/LibJS/Runtime/ModuleNamespaceObject.cpp b/Userland/Libraries/LibJS/Runtime/ModuleNamespaceObject.cpp
index b301d398d1..d59da1dcc1 100644
--- a/Userland/Libraries/LibJS/Runtime/ModuleNamespaceObject.cpp
+++ b/Userland/Libraries/LibJS/Runtime/ModuleNamespaceObject.cpp
@@ -228,4 +228,10 @@ ThrowCompletionOr<MarkedVector<Value>> ModuleNamespaceObject::internal_own_prope
     return exports;
 }
 
+void ModuleNamespaceObject::visit_edges(JS::Cell::Visitor& visitor)
+{
+    Base::visit_edges(visitor);
+    visitor.visit(m_module);
+}
+
 }
diff --git a/Userland/Libraries/LibJS/Runtime/ModuleNamespaceObject.h b/Userland/Libraries/LibJS/Runtime/ModuleNamespaceObject.h
index 397d24edfb..3a43927270 100644
--- a/Userland/Libraries/LibJS/Runtime/ModuleNamespaceObject.h
+++ b/Userland/Libraries/LibJS/Runtime/ModuleNamespaceObject.h
@@ -35,7 +35,8 @@ public:
 private:
     ModuleNamespaceObject(Realm&, Module* module, Vector<DeprecatedFlyString> exports);
 
-    // FIXME: UHHH how do we want to store this to avoid cycles but be safe??
+    virtual void visit_edges(Visitor&) override;
+
     GCPtr<Module> m_module;                // [[Module]]
     Vector<DeprecatedFlyString> m_exports; // [[Exports]]
 };