diff --git a/docs/installation/openstack.en.md b/docs/installation/openstack.en.md
index 93408f63..8b32a1c7 100644
--- a/docs/installation/openstack.en.md
+++ b/docs/installation/openstack.en.md
@@ -30,7 +30,7 @@ volume_backend_name = vitastor-testcluster
 image_volume_cache_enabled = True
 volume_clear = none
 vitastor_etcd_address = 192.168.7.2:2379
-vitastor_etcd_prefix =
+vitastor_etcd_prefix = /vitastor
 vitastor_config_path = /etc/vitastor/vitastor.conf
 vitastor_pool_id = 1
 image_upload_use_cinder_backend = True
diff --git a/docs/installation/openstack.ru.md b/docs/installation/openstack.ru.md
index e6e7bdcd..5aea501e 100644
--- a/docs/installation/openstack.ru.md
+++ b/docs/installation/openstack.ru.md
@@ -29,7 +29,7 @@ volume_backend_name = vitastor-testcluster
 image_volume_cache_enabled = True
 volume_clear = none
 vitastor_etcd_address = 192.168.7.2:2379
-vitastor_etcd_prefix =
+vitastor_etcd_prefix = /vitastor
 vitastor_config_path = /etc/vitastor/vitastor.conf
 vitastor_pool_id = 1
 image_upload_use_cinder_backend = True