diff --git a/qubesadmin/tools/qvm_start_daemon.py b/qubesadmin/tools/qvm_start_daemon.py
index 7982b1f2..5f5dac12 100644
--- a/qubesadmin/tools/qvm_start_daemon.py
+++ b/qubesadmin/tools/qvm_start_daemon.py
@@ -54,6 +54,7 @@
     ('trayicon_mode', 'str'),
     ('window_background_color', 'str'),
     ('startup_timeout', 'int'),
+    ('max_clipboard_size', 'int'),
 ]
 
 formatter = logging.Formatter(