diff --git a/data/grid5000/sites/nancy/servers/pve-1.json b/data/grid5000/sites/nancy/servers/pve-1.json
index c5d352425693979718c4111faee07c7cc0c6e093..ec80e7136ea3f9731c5ac9bc00c1c248c0936776 100644
--- a/data/grid5000/sites/nancy/servers/pve-1.json
+++ b/data/grid5000/sites/nancy/servers/pve-1.json
@@ -1,4 +1,7 @@
 {
+  "alias": [
+    "ntp"
+  ],
   "kind": "physical",
   "network_adapters": {
     "adm": {
diff --git a/data/grid5000/sites/nancy/servers/srv2.json b/data/grid5000/sites/nancy/servers/srv2.json
index 5ea8976fd97436f024c62d212a3e715b3c20c9dd..7136ab9b49863cc2d82ef6f3414fc4390b7e8a0b 100644
--- a/data/grid5000/sites/nancy/servers/srv2.json
+++ b/data/grid5000/sites/nancy/servers/srv2.json
@@ -1,6 +1,6 @@
 {
   "alias": [
-    "ntp"
+
   ],
   "kind": "physical",
   "network_adapters": {
diff --git a/input/grid5000/sites/nancy/servers/physical.yaml b/input/grid5000/sites/nancy/servers/physical.yaml
index c2e30cc111754597dcc58d02fd143ca73ab0138d..2a5c96cb3b4202f8c4cc3807b625aeb23bd124e6 100644
--- a/input/grid5000/sites/nancy/servers/physical.yaml
+++ b/input/grid5000/sites/nancy/servers/physical.yaml
@@ -26,7 +26,7 @@ srv-data2:
 
 srv2:
   kind: physical
-  alias: [ntp]
+  alias: []
   warranty: 2022-10
   serial: 37H1J82
   network_adapters:
@@ -153,6 +153,7 @@ srv3:
 
 pve-1:
   kind: physical
+  alias: [ntp]
   serial: CZJ24220C6
   network_adapters:
     default: