diff --git a/nano/lib/constants.hpp b/nano/lib/constants.hpp
index 9be2902edc..f58438bd15 100644
--- a/nano/lib/constants.hpp
+++ b/nano/lib/constants.hpp
@@ -4,6 +4,7 @@
 #include <nano/lib/fwd.hpp>
 
 #include <chrono>
+#include <string_view>
 
 namespace nano
 {
@@ -235,11 +236,22 @@ class network_constants
 		return error;
 	}
 
-	char const * get_current_network_as_string ()
+	std::string_view get_current_network_as_string () const
 	{
-		return is_live_network () ? "live" : is_beta_network () ? "beta"
-		: is_test_network ()                                    ? "test"
-																: "dev";
+		switch (current_network)
+		{
+			case nano::networks::nano_live_network:
+				return "live";
+			case nano::networks::nano_beta_network:
+				return "beta";
+			case nano::networks::nano_dev_network:
+				return "dev";
+			case nano::networks::nano_test_network:
+				return "test";
+			case networks::invalid:
+				break;
+		}
+		release_assert (false, "invalid network");
 	}
 
 	bool is_live_network () const
diff --git a/nano/load_test/entry.cpp b/nano/load_test/entry.cpp
index aaf62fc0a8..cf7362c9d2 100644
--- a/nano/load_test/entry.cpp
+++ b/nano/load_test/entry.cpp
@@ -580,7 +580,7 @@ int main (int argc, char * const * argv)
 		data_paths.push_back (std::move (data_path));
 	}
 
-	auto current_network = nano::dev::network_params.network.get_current_network_as_string ();
+	std::string current_network{ nano::dev::network_params.network.get_current_network_as_string () };
 	std::vector<std::unique_ptr<boost::process::child>> nodes;
 	std::vector<std::unique_ptr<boost::process::child>> rpc_servers;
 	for (auto const & data_path : data_paths)
diff --git a/nano/nano_node/daemon.cpp b/nano/nano_node/daemon.cpp
index 2922b729de..8275752432 100644
--- a/nano/nano_node/daemon.cpp
+++ b/nano/nano_node/daemon.cpp
@@ -170,8 +170,7 @@ void nano::daemon::run (std::filesystem::path const & data_path, nano::node_flag
 						throw std::runtime_error (std::string ("RPC is configured to spawn a new process however the file cannot be found at: ") + config.rpc.child_process.rpc_path);
 					}
 
-					auto network = node->network_params.network.get_current_network_as_string ();
-
+					std::string network{ node->network_params.network.get_current_network_as_string () };
 					rpc_process = std::make_unique<boost::process::child> (config.rpc.child_process.rpc_path, "--daemon", "--data_path", data_path.string (), "--network", network);
 				}
 				debug_assert (rpc || rpc_process);
diff --git a/nano/nano_wallet/entry.cpp b/nano/nano_wallet/entry.cpp
index 0efa061a93..195ac64f8d 100644
--- a/nano/nano_wallet/entry.cpp
+++ b/nano/nano_wallet/entry.cpp
@@ -192,7 +192,7 @@ class wallet_daemon final
 							throw std::runtime_error (std::string ("RPC is configured to spawn a new process however the file cannot be found at: ") + config.rpc.child_process.rpc_path);
 						}
 
-						auto network = node->network_params.network.get_current_network_as_string ();
+						std::string network{ node->network_params.network.get_current_network_as_string () };
 						rpc_process = std::make_unique<boost::process::child> (config.rpc.child_process.rpc_path, "--daemon", "--data_path", data_path.string (), "--network", network);
 					}
 				}
diff --git a/nano/node/portmapping.cpp b/nano/node/portmapping.cpp
index 0dd1605bda..6e5db0329b 100644
--- a/nano/node/portmapping.cpp
+++ b/nano/node/portmapping.cpp
@@ -7,6 +7,8 @@
 
 #include <boost/range/adaptor/filtered.hpp>
 
+#include <fmt/format.h>
+
 std::string nano::mapping_protocol::to_string ()
 {
 	std::stringstream ss;
@@ -179,7 +181,7 @@ void nano::port_mapping::refresh_mapping ()
 	// We don't map the RPC port because, unless RPC authentication was added, this would almost always be a security risk
 	for (auto & protocol : protocols | boost::adaptors::filtered ([] (auto const & p) { return p.enabled; }))
 	{
-		auto upnp_description = std::string ("Nano Node (") + node.network_params.network.get_current_network_as_string () + ")";
+		auto upnp_description = fmt::format ("Nano Node ({})", node.network_params.network.get_current_network_as_string ());
 		std::string address_str = address.to_string ();
 		std::string lease_duration_str = std::to_string (node.network_params.portmapping.lease_duration.count ());
 
diff --git a/nano/qt/qt.cpp b/nano/qt/qt.cpp
index db6365077c..b2a17b3d92 100644
--- a/nano/qt/qt.cpp
+++ b/nano/qt/qt.cpp
@@ -14,6 +14,8 @@
 #include <iomanip>
 #include <sstream>
 
+#include <fmt/format.h>
+
 namespace
 {
 void show_line_error (QLineEdit & line)
@@ -75,12 +77,14 @@ nano_qt::self_pane::self_pane (nano_qt::wallet & wallet_a, nano::account const &
 	wallet (wallet_a)
 {
 	your_account_label->setStyleSheet ("font-weight: bold;");
-	std::string network = wallet.node.network_params.network.get_current_network_as_string ();
+
+	// Capitalize the first letter
+	std::string network{ wallet.node.network_params.network.get_current_network_as_string () };
 	if (!network.empty ())
 	{
 		network[0] = std::toupper (network[0]);
 	}
-	version = new QLabel (boost::str (boost::format ("%1% %2% network") % NANO_VERSION_STRING % network).c_str ());
+	version = new QLabel (fmt::format ("{} {} network", NANO_VERSION_STRING, network).c_str ());
 
 	self_layout->addWidget (your_account_label);
 	self_layout->addStretch ();