diff --git a/src/monero_wallet_utils.hpp b/src/monero_wallet_utils.hpp
index 57d051d..5be5248 100644
--- a/src/monero_wallet_utils.hpp
+++ b/src/monero_wallet_utils.hpp
@@ -123,12 +123,12 @@ namespace monero_wallet_utils
 	bool new_wallet(
 		const string &mnemonic_language,
 		WalletDescriptionRetVals &retVals,
-		network_type nettype = MAINNET
+		network_type nettype
 	);
 	bool wallet_with(
 		const string &mnemonic_string,
 		WalletDescriptionRetVals &retVals,
-		network_type nettype = MAINNET
+		network_type nettype
 	);
 	//
 	struct WalletComponentsValidationResults: RetVals_base
diff --git a/src/serial_bridge_index.cpp b/src/serial_bridge_index.cpp
index 9eed875..0218c73 100644
--- a/src/serial_bridge_index.cpp
+++ b/src/serial_bridge_index.cpp
@@ -305,7 +305,8 @@ string serial_bridge::seed_and_keys_from_mnemonic(const string &args_string)
 	monero_wallet_utils::WalletDescriptionRetVals retVals;
 	bool r = monero_wallet_utils::wallet_with(
 		json_root.get<string>("mnemonic_string"),
-		retVals
+		retVals,
+		nettype_from_string(json_root.get<string>("nettype_string"))
 	);
 	bool did_error = retVals.did_error;
 	if (!r) {
diff --git a/test/test_all.cpp b/test/test_all.cpp
index bf1268c..e7d55e5 100644
--- a/test/test_all.cpp
+++ b/test/test_all.cpp
@@ -708,6 +708,7 @@ BOOST_AUTO_TEST_CASE(bridged__seed_and_keys_from_mnemonic)
 	//
 	boost::property_tree::ptree root;
 	root.put("mnemonic_string", "foxe selfish hum nexus juven dodeg pepp ember biscuti elap jazz vibrate biscui");
+	root.put("nettype_string", string_from_nettype(MAINNET));
 	//
 	auto ret_string = serial_bridge::seed_and_keys_from_mnemonic(args_string_from_root(root));
 	stringstream ret_stream;