diff --git a/nano/core_test/ipc.cpp b/nano/core_test/ipc.cpp
index a60fc9273..668d706f2 100644
--- a/nano/core_test/ipc.cpp
+++ b/nano/core_test/ipc.cpp
@@ -86,3 +86,22 @@ TEST (ipc, synchronous)
 		ASSERT_NO_ERROR (system.poll ());
 	}
 }
+
+TEST (ipc, config_upgrade_v0_v1)
+{
+	auto path1 (nano::unique_path ());
+	auto path2 (nano::unique_path ());
+	nano::ipc::ipc_config config1;
+	nano::ipc::ipc_config config2;
+	nano::jsonconfig tree;
+	config1.serialize_json (tree);
+	nano::jsonconfig local = tree.get_required_child ("local");
+	local.erase ("version");
+	local.erase ("allow_unsafe");
+	bool upgraded (false);
+	ASSERT_FALSE (config2.deserialize_json (upgraded, tree));
+	nano::jsonconfig local2 = tree.get_required_child ("local");
+	ASSERT_TRUE (upgraded);
+	ASSERT_LE (1, local2.get<int> ("version"));
+	ASSERT_FALSE (local2.get<bool> ("allow_unsafe"));
+}
diff --git a/nano/node/ipcconfig.cpp b/nano/node/ipcconfig.cpp
index 7b5323c2b..7a5e337b1 100644
--- a/nano/node/ipcconfig.cpp
+++ b/nano/node/ipcconfig.cpp
@@ -15,6 +15,7 @@ nano::error nano::ipc::ipc_config::serialize_json (nano::jsonconfig & json) cons
 	json.put_child ("tcp", tcp_l);
 
 	nano::jsonconfig domain_l;
+	domain_l.put ("version", transport_domain.json_version ());
 	if (transport_domain.io_threads >= 0)
 	{
 		domain_l.put ("io_threads", transport_domain.io_threads);
@@ -27,7 +28,7 @@ nano::error nano::ipc::ipc_config::serialize_json (nano::jsonconfig & json) cons
 	return json.get_error ();
 }
 
-nano::error nano::ipc::ipc_config::deserialize_json (nano::jsonconfig & json)
+nano::error nano::ipc::ipc_config::deserialize_json (bool & upgraded_a, nano::jsonconfig & json)
 {
 	auto tcp_l (json.get_optional_child ("tcp"));
 	if (tcp_l)
@@ -42,6 +43,15 @@ nano::error nano::ipc::ipc_config::deserialize_json (nano::jsonconfig & json)
 	auto domain_l (json.get_optional_child ("local"));
 	if (domain_l)
 	{
+		auto version_l (domain_l->get_optional<unsigned> ("version"));
+		if (!version_l)
+		{
+			version_l = 1;
+			domain_l->put ("version", *version_l);
+			domain_l->put ("allow_unsafe", transport_domain.allow_unsafe);
+			upgraded_a = true;
+		}
+
 		domain_l->get_optional<long> ("io_threads", transport_domain.io_threads, -1);
 		domain_l->get_optional<bool> ("allow_unsafe", transport_domain.allow_unsafe);
 		domain_l->get<bool> ("enable", transport_domain.enabled);
diff --git a/nano/node/ipcconfig.hpp b/nano/node/ipcconfig.hpp
index 6485a3fad..e1978e73b 100644
--- a/nano/node/ipcconfig.hpp
+++ b/nano/node/ipcconfig.hpp
@@ -30,6 +30,11 @@ namespace ipc
 		 * this value will be conditional on OS.
 		 */
 		std::string path{ "/tmp/nano" };
+
+		int json_version () const
+		{
+			return 1;
+		}
 	};
 
 	/** TCP specific transport config */
@@ -49,7 +54,7 @@ namespace ipc
 	class ipc_config
 	{
 	public:
-		nano::error deserialize_json (nano::jsonconfig & json_a);
+		nano::error deserialize_json (bool & upgraded_a, nano::jsonconfig & json_a);
 		nano::error serialize_json (nano::jsonconfig & json) const;
 		ipc_config_domain_socket transport_domain;
 		ipc_config_tcp_socket transport_tcp;
diff --git a/nano/node/nodeconfig.cpp b/nano/node/nodeconfig.cpp
index a93aa5d0a..ac5e56e89 100644
--- a/nano/node/nodeconfig.cpp
+++ b/nano/node/nodeconfig.cpp
@@ -371,7 +371,7 @@ nano::error nano::node_config::deserialize_json (bool & upgraded_a, nano::jsonco
 		auto ipc_config_l (json.get_optional_child ("ipc"));
 		if (ipc_config_l)
 		{
-			ipc_config.deserialize_json (ipc_config_l.get ());
+			ipc_config.deserialize_json (upgraded_a, ipc_config_l.get ());
 		}
 		auto websocket_config_l (json.get_optional_child ("websocket"));
 		if (websocket_config_l)