diff --git a/contrib/monero-core-custom b/contrib/monero-core-custom
index 0ad95ab..a080988 160000
--- a/contrib/monero-core-custom
+++ b/contrib/monero-core-custom
@@ -1 +1 @@
-Subproject commit 0ad95ab88d711e85678e3def10b6635c4fe22ec9
+Subproject commit a0809886bee0f7872ce5d7ad9465736b05407efe
diff --git a/test/test_all.cpp b/test/test_all.cpp
index 2d63e24..e74b86d 100644
--- a/test/test_all.cpp
+++ b/test/test_all.cpp
@@ -261,6 +261,7 @@ BOOST_AUTO_TEST_CASE(bridge__transfers__send__sweepDust)
 			root.put("sec_viewKey_string", "7bea1907940afdd480eff7c4bcadb478a0fbb626df9e3ed74ae801e18f53e104");
 			root.put("sec_spendKey_string", "4e6d43cd03812b803c6f3206689f5fcc910005fc7e91d50d79b0776dbefcd803");
 			root.put("fee_per_b", "24658");
+			root.put("fee_mask", "10000");
 			root.put("unlock_time", "0");
 			root.put("priority", "1");
 			root.add_child("mix_outs", mix_outs);
@@ -717,6 +718,29 @@ BOOST_AUTO_TEST_CASE(bridged__are_equal_mnemonics)
 	BOOST_REQUIRE(*value != false);
 	cout << "bridged__are_equal_mnemonics: " << *value << endl;
 }
+BOOST_AUTO_TEST_CASE(bridged__are_equal_mnemonics__caps)
+{
+	using namespace serial_bridge;
+	//
+	boost::property_tree::ptree root;
+	root.put("a", "Neubau umarmen Abart umarmen Turban feilen Brett Bargeld Episode Milchkuh Substanz Jahr Armband Maibaum Tand Grünalge Tabak erziehen Federboa Lobrede Tenor Leuchter Curry Diskurs Tenor");
+			 root.put("b", "Neubau umarm Abart umarmen Turban feilen Brett Bargel Epis Milchkuh Subst Jahr Armband Maib Tand Grüna Tabak erzie Feder Lobre Tenor Leuch Curry Diskurs Tenor");
+	//
+	auto ret_string = serial_bridge::are_equal_mnemonics(args_string_from_root(root));
+	stringstream ret_stream;
+	ret_stream << ret_string;
+	boost::property_tree::ptree ret_tree;
+	boost::property_tree::read_json(ret_stream, ret_tree);
+	optional<string> err_string = ret_tree.get_optional<string>(ret_json_key__any__err_msg());
+	if (err_string != none) {
+		BOOST_REQUIRE_MESSAGE(false, *err_string);
+	}
+	optional<bool> value = ret_tree.get_optional<bool>(ret_json_key__generic_retVal());
+	BOOST_REQUIRE(value != none);
+	BOOST_REQUIRE(*value != false);
+	cout << "bridged__are_equal_mnemonics__caps: " << *value << endl;
+}
+
 //
 BOOST_AUTO_TEST_CASE(bridged__mnemonic_from_seed)
 {