diff --git a/testsuite/a11y/accessible.c b/testsuite/a11y/accessible.c
index 5568cbd931..76ae275243 100644
--- a/testsuite/a11y/accessible.c
+++ b/testsuite/a11y/accessible.c
@@ -570,7 +570,7 @@ test_ref_relation (gconstpointer data)
 
   gtk_test_accessible_assert_role (object, GTK_ACCESSIBLE_ROLE_CHECKBOX);
 
-  //gtk_test_accessible_assert_relation (object, relation, GTK_ACCESSIBLE_VALUE_UNDEFINED);
+  gtk_test_accessible_assert_relation (object, relation, NULL);
 
   gtk_accessible_update_relation (GTK_ACCESSIBLE (object),
                                   relation, other,
@@ -596,7 +596,7 @@ test_reflist_relation (gconstpointer data)
 
   gtk_test_accessible_assert_role (object, GTK_ACCESSIBLE_ROLE_CHECKBOX);
 
-  //gtk_test_accessible_assert_relation (object, relation, GTK_ACCESSIBLE_VALUE_UNDEFINED);
+  gtk_test_accessible_assert_relation (object, relation, NULL);
 
   refs = g_list_append (NULL, other);