diff --git a/qmp-gen.py b/qmp-gen.py
index 90069ca..4164692 100644
--- a/qmp-gen.py
+++ b/qmp-gen.py
@@ -2328,7 +2328,7 @@ void qga_init_marshal(void)
             if not s.has_key('command'):
                 continue
             name = s['command']
-            if qmp_is_proxy_command(name):
+            if qmp_is_proxy_cmd(name):
                 ret += mcgen('''
     qga_register_command("%(name)s", &qmp_marshal_%(c_name)s);
 ''',