diff --git a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json
index 6deac9f91449e4a39160d18a27dcb132cf4bac28..1b2ba7bb29397da3e899b8a6555c9de9188032d8 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json
@@ -63,7 +63,7 @@
     "ram_size": 274877906944
   },
   "monitoring": {
-    "wattmeter": "false"
+    "wattmeter": "true"
   },
   "network_adapters": [
     {
@@ -203,6 +203,5 @@
     "virtual": "arm64"
   },
   "type": "node",
-  "uid": "pyxis-1",
-  "wattmeter": true
+  "uid": "pyxis-1"
 }
\ No newline at end of file
diff --git a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.json b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.json
index 2d3a4b108f2cb71748154fec3f6e7ae5953d7f7e..644875e86cb87b1a908fa3337458a4f3d0778c19 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.json
@@ -63,7 +63,7 @@
     "ram_size": 274877906944
   },
   "monitoring": {
-    "wattmeter": "false"
+    "wattmeter": "true"
   },
   "network_adapters": [
     {
@@ -203,6 +203,5 @@
     "virtual": "arm64"
   },
   "type": "node",
-  "uid": "pyxis-2",
-  "wattmeter": true
+  "uid": "pyxis-2"
 }
\ No newline at end of file
diff --git a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.json b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.json
index f3f69989220f878b986ea16d2608dae39f9ec297..ba846c9b3572918e1aefc359c8f413dbd0623da3 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.json
@@ -63,7 +63,7 @@
     "ram_size": 274877906944
   },
   "monitoring": {
-    "wattmeter": "false"
+    "wattmeter": "true"
   },
   "network_adapters": [
     {
@@ -203,6 +203,5 @@
     "virtual": "arm64"
   },
   "type": "node",
-  "uid": "pyxis-3",
-  "wattmeter": true
+  "uid": "pyxis-3"
 }
\ No newline at end of file
diff --git a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.json b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.json
index 346d64cd5b8c26b29ccc452fb8e49fb3f4ac2f5a..00995a231cad09d131f125546a61058b59265ec3 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.json
@@ -63,7 +63,7 @@
     "ram_size": 274877906944
   },
   "monitoring": {
-    "wattmeter": "false"
+    "wattmeter": "true"
   },
   "network_adapters": [
     {
@@ -203,6 +203,5 @@
     "virtual": "arm64"
   },
   "type": "node",
-  "uid": "pyxis-4",
-  "wattmeter": true
+  "uid": "pyxis-4"
 }
\ No newline at end of file
diff --git a/input/grid5000/sites/lyon/clusters/pyxis/pyxis.yaml b/input/grid5000/sites/lyon/clusters/pyxis/pyxis.yaml
index 7cec4dc9856df5cb050ce282b1bc36e255325a2f..3d693fa665497928e9a1762ca4caa6e429fcc6fb 100644
--- a/input/grid5000/sites/lyon/clusters/pyxis/pyxis.yaml
+++ b/input/grid5000/sites/lyon/clusters/pyxis/pyxis.yaml
@@ -40,7 +40,8 @@ nodes:
       sdb:
         interface: SAS
         storage: HDD
-    wattmeter: true
+    monitoring:
+      wattmeter: true
     sensors:
       power:
         available: true