diff --git a/cubicweb_s3storage/site_cubicweb.py b/cubicweb_s3storage/site_cubicweb.py
index 1bca0d767d05bcdeaebd43e4a113b25fbec67759_Y3ViaWN3ZWJfczNzdG9yYWdlL3NpdGVfY3ViaWN3ZWIucHk=..c9bc1e0117e8e4d5df3f58d055148cbee7472355_Y3ViaWN3ZWJfczNzdG9yYWdlL3NpdGVfY3ViaWN3ZWIucHk= 100644
--- a/cubicweb_s3storage/site_cubicweb.py
+++ b/cubicweb_s3storage/site_cubicweb.py
@@ -16,6 +16,12 @@
         'help': 'Add a temporary suffix to S3 keys during transaction',
         'group': 's3',
         'level': 2}),
+    ('s3-activate-object-versioning', {
+        'type': 'yn',
+        'default': False,
+        'help': 'store the objects version-id in database',
+        'group': 's3',
+        'level': 2}),
 )