diff --git a/gtk/gtkmenubutton.c b/gtk/gtkmenubutton.c
index 99b9b4207f..b29fb3317f 100644
--- a/gtk/gtkmenubutton.c
+++ b/gtk/gtkmenubutton.c
@@ -106,6 +106,7 @@
 #include "gtkbuttonprivate.h"
 #include "gtknative.h"
 #include "gtkwindow.h"
+#include "gtkbuilderprivate.h"
 
 typedef struct _GtkMenuButtonClass   GtkMenuButtonClass;
 typedef struct _GtkMenuButtonPrivate GtkMenuButtonPrivate;
@@ -700,9 +701,14 @@ gtk_menu_button_buildable_add_child (GtkBuildable *buildable,
                                      const char   *type)
 {
   if (GTK_IS_WIDGET (child))
-    gtk_menu_button_set_child (GTK_MENU_BUTTON (buildable), GTK_WIDGET (child));
+    {
+      gtk_buildable_child_deprecation_warning (buildable, builder, NULL, "child");
+      gtk_menu_button_set_child (GTK_MENU_BUTTON (buildable), GTK_WIDGET (child));
+    }
   else
-    parent_buildable_iface->add_child (buildable, builder, child, type);
+    {
+      parent_buildable_iface->add_child (buildable, builder, child, type);
+    }
 }
 
 static void