diff --git a/gtk/gtkaccessible.c b/gtk/gtkaccessible.c
index aa3b260894..a80e98ef4c 100644
--- a/gtk/gtkaccessible.c
+++ b/gtk/gtkaccessible.c
@@ -47,6 +47,25 @@ gtk_accessible_class_init (GtkAccessibleClass *klass)
   klass->connect_widget_destroyed = gtk_accessible_real_connect_widget_destroyed;
 }
 
+/**
+ * gtk_accessible_set_widget:
+ * @accessible: a #GtkAccessible
+ * @widget: a #GtkWidget
+ *
+ * Sets the #GtkWidget corresponding to the #GtkAccessible.
+ *
+ * Since: 2.22
+ **/
+void
+gtk_accessible_set_widget (GtkAccessible *accessible,
+                           GtkWidget     *widget)
+{
+  g_return_val_if_fail (GTK_IS_ACCESSIBLE (accessible), NULL);
+  g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
+
+  accessible->widget = widget;
+}
+
 /**
  * gtk_accessible_get_widget:
  * @accessible: a #GtkAccessible
diff --git a/gtk/gtkaccessible.h b/gtk/gtkaccessible.h
index a9d21bcdd6..61dbfb57d8 100644
--- a/gtk/gtkaccessible.h
+++ b/gtk/gtkaccessible.h
@@ -68,6 +68,8 @@ struct _GtkAccessibleClass
 
 GType gtk_accessible_get_type (void) G_GNUC_CONST;
 
+void        gtk_accessible_set_widget                  (GtkAccessible     *accessible,
+                                                        GtkWidget         *widget);
 GtkWidget*  gtk_accessible_get_widget                  (GtkAccessible     *accessible);
 void        gtk_accessible_connect_widget_destroyed    (GtkAccessible     *accessible);