diff --git a/src/libxl/libxl_migration.c b/src/libxl/libxl_migration.c
index ce3f9d58032ecd797c55d0f4c3e9332803123aca..dbb5a8f89f5f7aa80d2a8248411a5e63daa73743 100644
--- a/src/libxl/libxl_migration.c
+++ b/src/libxl/libxl_migration.c
@@ -566,8 +566,10 @@ libxlDomainMigrationConfirm(libxlDriverPrivatePtr driver,
     if (flags & VIR_MIGRATE_UNDEFINE_SOURCE)
         virDomainDeleteConfig(cfg->configDir, cfg->autostartDir, vm);
 
-    if (!vm->persistent || (flags & VIR_MIGRATE_UNDEFINE_SOURCE))
+    if (!vm->persistent || (flags & VIR_MIGRATE_UNDEFINE_SOURCE)) {
         virDomainObjListRemove(driver->domains, vm);
+        vm = NULL;
+    }
 
     ret = 0;