diff --git a/vl.c b/vl.c
index 503f903..fb8006e 100644
--- a/vl.c
+++ b/vl.c
@@ -254,6 +254,7 @@
 unsigned long *node_cpumask[MAX_NODES];
 
 uint8_t qemu_uuid[16];
+bool qemu_uuid_set;
 
 static QEMUBootSetHandler *boot_set_handler;
 static void *boot_set_opaque;
@@ -3588,6 +3589,7 @@
                             " Wrong format.\n");
                     exit(1);
                 }
+                qemu_uuid_set = true;
                 break;
 	    case QEMU_OPTION_option_rom:
 		if (nb_option_roms >= MAX_OPTION_ROMS) {