diff --git a/Libraries/LibWeb/Bindings/WindowObject.cpp b/Libraries/LibWeb/Bindings/WindowObject.cpp
index ff4a6cf45b..7050b200b6 100644
--- a/Libraries/LibWeb/Bindings/WindowObject.cpp
+++ b/Libraries/LibWeb/Bindings/WindowObject.cpp
@@ -44,6 +44,7 @@
 #include <LibWeb/Bindings/XMLHttpRequestPrototype.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Window.h>
+#include <LibWeb/Origin.h>
 
 namespace Web {
 namespace Bindings {
@@ -93,6 +94,11 @@ void WindowObject::visit_children(Visitor& visitor)
     visitor.visit(m_xhr_prototype);
 }
 
+Origin WindowObject::origin() const
+{
+    return impl().document().origin();
+}
+
 static DOM::Window* impl_from(JS::Interpreter& interpreter, JS::GlobalObject& global_object)
 {
     auto* this_object = interpreter.this_value(global_object).to_object(interpreter, global_object);
diff --git a/Libraries/LibWeb/Bindings/WindowObject.h b/Libraries/LibWeb/Bindings/WindowObject.h
index 8b01a5ae3b..7feee05818 100644
--- a/Libraries/LibWeb/Bindings/WindowObject.h
+++ b/Libraries/LibWeb/Bindings/WindowObject.h
@@ -44,6 +44,8 @@ public:
     DOM::Window& impl() { return *m_impl; }
     const DOM::Window& impl() const { return *m_impl; }
 
+    Origin origin() const;
+
     XMLHttpRequestPrototype* xhr_prototype() { return m_xhr_prototype; }
     XMLHttpRequestConstructor* xhr_constructor() { return m_xhr_constructor; }