diff --git a/xpra/scripts/parsing.py b/xpra/scripts/parsing.py
index 3dd316f93a..d759d7eb62 100755
--- a/xpra/scripts/parsing.py
+++ b/xpra/scripts/parsing.py
@@ -240,6 +240,8 @@ def get_usage():
                         "list-windows",
                         "sessions",
                         "launcher",
+                        "gui",
+                        "start-gui",
                       ]
     if supports_mdns:
         command_options.append("list-mdns")