diff --git a/libmariadb/mariadb_lib.c b/libmariadb/mariadb_lib.c
index 4c8af327..c48ccdad 100644
--- a/libmariadb/mariadb_lib.c
+++ b/libmariadb/mariadb_lib.c
@@ -710,6 +710,7 @@ struct st_default_options mariadb_defaults[] =
   {{MARIADB_OPT_TLS_PASSPHRASE}, MARIADB_OPTION_STR, "tls-passphrase"},
   {{MYSQL_OPT_SSL_ENFORCE}, MARIADB_OPTION_BOOL, "tls-enforce"},
   {{MYSQL_OPT_SSL_VERIFY_SERVER_CERT}, MARIADB_OPTION_BOOL,"tls-verify-peer"},
+  {{MARIADB_OPT_RESTRICTED_AUTH}, MARIADB_OPTION_STR, "restricted-auth"},
   {{0}, 0, NULL}
 };