diff --git a/doc/openocd.texi b/doc/openocd.texi
index e8a1f33b5f..97396c7b70 100644
--- a/doc/openocd.texi
+++ b/doc/openocd.texi
@@ -2227,7 +2227,7 @@ the port @var{number} defaults to 6666.
 When specified as "disabled", this service is not activated.
 @end deffn
 
-@deffn {Config Command} {telnet_port} [number]
+@deffn {Config Command} {telnet port} [number]
 Specify or query the
 port on which to listen for incoming telnet connections.
 This port is intended for interaction with one human through TCL commands.
diff --git a/src/server/startup.tcl b/src/server/startup.tcl
index ebfb0562e9..cf3eca36e6 100644
--- a/src/server/startup.tcl
+++ b/src/server/startup.tcl
@@ -113,3 +113,9 @@ proc "tcl_trace" {state} {
 	echo "DEPRECATED! use 'tcl trace' not 'tcl_trace'"
 	eval tcl trace $state
 }
+
+lappend _telnet_autocomplete_skip "telnet_port"
+proc "telnet_port" {args} {
+	echo "DEPRECATED! use 'telnet port', not 'telnet_port'"
+	eval telnet port $args
+}
diff --git a/src/server/telnet_server.c b/src/server/telnet_server.c
index 02d450fbdf..a596afef08 100644
--- a/src/server/telnet_server.c
+++ b/src/server/telnet_server.c
@@ -967,7 +967,6 @@ int telnet_init(char *banner)
 	return ERROR_OK;
 }
 
-/* daemon configuration command telnet_port */
 COMMAND_HANDLER(handle_telnet_port_command)
 {
 	return CALL_COMMAND_HANDLER(server_pipe_command, &telnet_port);
@@ -978,6 +977,19 @@ COMMAND_HANDLER(handle_exit_command)
 	return ERROR_COMMAND_CLOSE_CONNECTION;
 }
 
+static const struct command_registration telnet_subcommand_handlers[] = {
+	{
+		.name = "port",
+		.handler = handle_telnet_port_command,
+		.mode = COMMAND_CONFIG,
+		.help = "Specify port on which to listen "
+			"for incoming telnet connections.  "
+			"Read help on 'gdb port'.",
+		.usage = "[port_num]",
+	},
+	COMMAND_REGISTRATION_DONE
+};
+
 static const struct command_registration telnet_command_handlers[] = {
 	{
 		.name = "exit",
@@ -987,13 +999,11 @@ static const struct command_registration telnet_command_handlers[] = {
 		.help = "exit telnet session",
 	},
 	{
-		.name = "telnet_port",
-		.handler = handle_telnet_port_command,
+		.name = "telnet",
+		.chain = telnet_subcommand_handlers,
 		.mode = COMMAND_CONFIG,
-		.help = "Specify port on which to listen "
-			"for incoming telnet connections.  "
-			"Read help on 'gdb port'.",
-		.usage = "[port_num]",
+		.help = "telnet commands",
+		.usage = "",
 	},
 	COMMAND_REGISTRATION_DONE
 };