diff --git a/hw/darwin/quartz/quartz.c b/hw/darwin/quartz/quartz.c
index a0eb4ed8c..34f5e45fa 100644
--- a/hw/darwin/quartz/quartz.c
+++ b/hw/darwin/quartz/quartz.c
@@ -186,6 +186,7 @@ void DarwinModeInitInput(
     char **argv )
 {
 #ifdef INXQUARTZ
+    X11ApplicationSetCanQuit(1);
     X11ApplicationServerReady();
 #else
     QuartzMessageMainThread(kQuartzServerStarted, NULL, 0);