diff --git a/fstest/test_all/config.yaml b/fstest/test_all/config.yaml
index 41ccdf3c5..b6fba0928 100644
--- a/fstest/test_all/config.yaml
+++ b/fstest/test_all/config.yaml
@@ -201,6 +201,7 @@ backends:
  - backend:  "fichier"
    remote:   "TestFichier:"
    fastlist: false
+   oneonly:  true
  - backend:  "qingstor"
    remote:   "TestQingStor:"
    fastlist: false