diff --git a/data/grid5000/sites/grenoble/servers/dignfs.json b/data/grid5000/sites/grenoble/servers/dignfs.json
index e2f9b83b636ed04fa8a988afc41961d1fdddbc48..2ec8ba42372a373e4c72ca0658cbc53555b7850b 100644
--- a/data/grid5000/sites/grenoble/servers/dignfs.json
+++ b/data/grid5000/sites/grenoble/servers/dignfs.json
@@ -3,7 +3,6 @@
     "nfs",
     "public",
     "home-g5k",
-    "ntp",
     "modules",
     "storage1"
   ],
diff --git a/data/grid5000/sites/grenoble/servers/pve-1.json b/data/grid5000/sites/grenoble/servers/pve-1.json
index b15a43122f4dc26dd9382e37a9f503140d621355..8cc9fb6a71a300075dc5f1b131a80122adeb3c1f 100644
--- a/data/grid5000/sites/grenoble/servers/pve-1.json
+++ b/data/grid5000/sites/grenoble/servers/pve-1.json
@@ -1,6 +1,6 @@
 {
   "alias": [
-
+    "ntp"
   ],
   "kind": "physical",
   "network_adapters": {
diff --git a/input/grid5000/sites/grenoble/servers/physical.yaml b/input/grid5000/sites/grenoble/servers/physical.yaml
index 8c51a2ea55767f4aebaebbcaa33d59d01b080b6c..af2207608ba063416f04fcd72282a0d803180697 100644
--- a/input/grid5000/sites/grenoble/servers/physical.yaml
+++ b/input/grid5000/sites/grenoble/servers/physical.yaml
@@ -57,7 +57,7 @@ digwatt:
 
 dignfs:
   kind: physical
-  alias: [nfs, public, home-g5k, ntp, modules, storage1]
+  alias: [nfs, public, home-g5k, modules, storage1]
   warranty: 2025-10-06
   serial: 57JV173
   network_adapters:
@@ -77,7 +77,7 @@ pve-1:
   kind: physical
   warranty: 2031-07-11
   serial: CZJD1700JN
-  alias: []
+  alias: [ntp]
   network_adapters:
     default:
       ip: 172.16.31.13