diff --git a/scripts/criu-ns b/scripts/criu-ns
index d76db3606..72c0753e5 100755
--- a/scripts/criu-ns
+++ b/scripts/criu-ns
@@ -102,6 +102,7 @@ def wrap_restore():
 
     criu_pid = os.fork()
     if criu_pid == 0:
+        os.setsid()
         _mount_new_proc()
         run_criu(restore_args)