diff --git a/data/grid5000/sites/luxembourg/clusters/vianden/nodes/vianden-1.json b/data/grid5000/sites/luxembourg/clusters/vianden/nodes/vianden-1.json
index 5a2c0b23288d6d9071e1d1a85036040aa6922d38..f52c4a28343fb5014cc264564f6e2633d8a2e8d8 100644
--- a/data/grid5000/sites/luxembourg/clusters/vianden/nodes/vianden-1.json
+++ b/data/grid5000/sites/luxembourg/clusters/vianden/nodes/vianden-1.json
@@ -19,7 +19,7 @@
     "serial": "4VLJM44",
     "warranty_end": "2028-07-15"
   },
-  "exotic": false,
+  "exotic": true,
   "gpu_devices": {
     "card0": {
       "cores": 19456,
@@ -672,7 +672,7 @@
     "max_walltime": 0,
     "queues": [
       "admin",
-      "testing"
+      "default"
     ],
     "virtual": "ivt"
   },
diff --git a/data/grid5000/sites/luxembourg/clusters/vianden/vianden.json b/data/grid5000/sites/luxembourg/clusters/vianden/vianden.json
index 7767197f2ef6c8a9af39b45240132572ab744944..ff4ef9ed7c8c9afd0113d860cb3724a096cb5239 100644
--- a/data/grid5000/sites/luxembourg/clusters/vianden/vianden.json
+++ b/data/grid5000/sites/luxembourg/clusters/vianden/vianden.json
@@ -1,7 +1,7 @@
 {
   "boot_type": "uefi",
   "created_at": "Mon, 06 Jan 2025 00:00:00 GMT",
-  "exotic": false,
+  "exotic": true,
   "kavlan": true,
   "manufactured_at": "2024-07-14",
   "metrics": [
@@ -1172,7 +1172,7 @@
   "priority": 202507,
   "queues": [
     "admin",
-    "testing"
+    "default"
   ],
   "redfish": true,
   "type": "cluster",
diff --git a/input/grid5000/sites/luxembourg/clusters/vianden/vianden.yaml b/input/grid5000/sites/luxembourg/clusters/vianden/vianden.yaml
index 3cdc51cc2f9af48b3b76ca815ea8847990ab8a36..2d34ec95df18a122328766d1e746159c0a007bf9 100644
--- a/input/grid5000/sites/luxembourg/clusters/vianden/vianden.yaml
+++ b/input/grid5000/sites/luxembourg/clusters/vianden/vianden.yaml
@@ -3,10 +3,10 @@ model: Dell PowerEdge XE9680
 created_at: 2025-01-06
 kavlan: true
 boot_type: uefi
-exotic: false # TODO: specify if 'true' or 'false'
+exotic: true
 queues:
   - admin
-  - testing
+  - default
 nodes:
   vianden-1:
     supported_job_types: