diff --git a/tests/unit/check_nbdtypes.c b/tests/unit/check_nbdtypes.c
index 9124063..8665818 100644
--- a/tests/unit/check_nbdtypes.c
+++ b/tests/unit/check_nbdtypes.c
@@ -230,6 +230,7 @@ Suite *nbdtypes_suite(void)
 	tcase_add_test( tc_init, test_init_size );
 	tcase_add_test( tc_request, test_request_magic );
 	tcase_add_test( tc_request, test_request_type );
+	tcase_add_test( tc_request, test_request_flags );
 	tcase_add_test( tc_request, test_request_handle );
 	tcase_add_test( tc_request, test_request_from );
 	tcase_add_test( tc_request, test_request_len );