diff --git a/Libraries/LibWeb/DOM/Document.cpp b/Libraries/LibWeb/DOM/Document.cpp
index 8c933b81e22..68d9fb5ad95 100644
--- a/Libraries/LibWeb/DOM/Document.cpp
+++ b/Libraries/LibWeb/DOM/Document.cpp
@@ -763,7 +763,7 @@ GC::Ptr<HTML::WindowProxy const> Document::default_view() const
     return const_cast<Document*>(this)->default_view();
 }
 
-URL::Origin Document::origin() const
+URL::Origin const& Document::origin() const
 {
     return m_origin;
 }
diff --git a/Libraries/LibWeb/DOM/Document.h b/Libraries/LibWeb/DOM/Document.h
index d1c17cc43da..dedae9725fa 100644
--- a/Libraries/LibWeb/DOM/Document.h
+++ b/Libraries/LibWeb/DOM/Document.h
@@ -151,7 +151,7 @@ public:
     String url_string() const { return m_url.to_string(); }
     String document_uri() const { return url_string(); }
 
-    URL::Origin origin() const;
+    URL::Origin const& origin() const;
     void set_origin(URL::Origin const& origin);
 
     HTML::OpenerPolicy const& opener_policy() const { return m_opener_policy; }