diff --git a/client/common/cmdline.h b/client/common/cmdline.h
index 1d90f71ce..4fd7031ff 100644
--- a/client/common/cmdline.h
+++ b/client/common/cmdline.h
@@ -374,7 +374,8 @@ static const COMMAND_LINE_ARGUMENT_A global_cmd_args[] = {
 	{ "scale-device", COMMAND_LINE_VALUE_REQUIRED, "100|140|180", "100", NULL, -1, NULL,
 	  "Scaling factor for app store applications" },
 	{ "sec", COMMAND_LINE_VALUE_REQUIRED,
-	  "[rdp[:[on|off]]|tls[:[on|off]]|nla[:[on|off]]|ext[:[on|off]]]", NULL, NULL, -1, NULL,
+	  "[rdp[:[on|off]]|tls[:[on|off]]|nla[:[on|off]]|ext[:[on|off]]|aad[:[on|off]]]", NULL, NULL,
+	  -1, NULL,
 	  "Force specific protocol security. e.g. /sec:nla enables NLA and disables all others, while "
 	  "/sec:nla:[on|off] just toggles NLA" },
 #if defined(WITH_FREERDP_DEPRECATED_COMMANDLINE)