diff --git a/Libraries/LibGUI/Layout.h b/Libraries/LibGUI/Layout.h
index 3e586e3fd2..f5aded5513 100644
--- a/Libraries/LibGUI/Layout.h
+++ b/Libraries/LibGUI/Layout.h
@@ -53,7 +53,7 @@ public:
     void notify_adopted(Badge<Widget>, Widget&);
     void notify_disowned(Badge<Widget>, Widget&);
 
-    Margins margins() const { return m_margins; }
+    const Margins& margins() const { return m_margins; }
     void set_margins(const Margins&);
 
     int spacing() const { return m_spacing; }