diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 3218dc0e23..9e2a94306c 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -18386,7 +18386,7 @@ qemuDomainBlockCopyCommon(virDomainObjPtr vm,
 
     if (blockdev) {
         ret = qemuMonitorBlockdevMirror(priv->mon, job->name, true,
-                                        disk->src->nodeformat,
+                                        qemuDomainDiskGetTopNodename(disk),
                                         mirror->nodeformat, bandwidth,
                                         granularity, buf_size, mirror_shallow);
     } else {
diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
index 29d228a8d9..d7814208a2 100644
--- a/src/qemu/qemu_migration.c
+++ b/src/qemu/qemu_migration.c
@@ -931,7 +931,7 @@ qemuMigrationSrcNBDStorageCopyOne(virQEMUDriverPtr driver,
 
     if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV)) {
         jobname = diskAlias;
-        sourcename = disk->src->nodeformat;
+        sourcename = qemuDomainDiskGetTopNodename(disk);
         persistjob = true;
     } else {
         jobname = NULL;