diff --git a/hw/xenpv/xen_domainbuild.c b/hw/xenpv/xen_domainbuild.c
index b439b0ed5d..457a8976c3 100644
--- a/hw/xenpv/xen_domainbuild.c
+++ b/hw/xenpv/xen_domainbuild.c
@@ -232,7 +232,7 @@ int xen_domain_build_pv(const char *kernel, const char *ramdisk,
     unsigned long xenstore_mfn = 0, console_mfn = 0;
     int rc;
 
-    memcpy(uuid, qemu_uuid, sizeof(uuid));
+    memcpy(uuid, &qemu_uuid, sizeof(uuid));
     rc = xen_domain_create(xen_xc, ssidref, uuid, flags, &xen_domid);
     if (rc < 0) {
         fprintf(stderr, "xen: xc_domain_create() failed\n");