diff --git a/ui/dbus-listener.c b/ui/dbus-listener.c
index c69afc05a8..19cb74e92b 100644
--- a/ui/dbus-listener.c
+++ b/ui/dbus-listener.c
@@ -107,6 +107,8 @@ static void dbus_scanout_disable(DisplayChangeListener *dcl)
 {
     DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
 
+    ddl_discard_display_messages(ddl);
+
     qemu_dbus_display1_listener_call_disable(
         ddl->proxy, G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL);
 }