--- qemu-4.2.0/qga/commands-posix.c.orig	2020-03-23 11:15:05.972610989 +0300
+++ qemu-4.2.0/qga/commands-posix.c	2020-03-23 11:15:39.676015087 +0300
@@ -108,7 +108,7 @@
         reopen_fd_to_null(1);
         reopen_fd_to_null(2);
 
-        execle("/sbin/shutdown", "shutdown", "-h", shutdown_flag, "+0",
+        execle("/sbin/shutdown", "shutdown", "-h", "now", shutdown_flag, "+0",
                "hypervisor initiated shutdown", (char*)NULL, environ);
         _exit(EXIT_FAILURE);
     } else if (pid < 0) {