diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-1.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-1.json
index 8fdd98c20a6f469f654f971a3fca1d7169ebb310..b4e1ef66356e85aad90174d85c32bbfe67edc222 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-1.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-1.json
@@ -34,7 +34,7 @@
     "ram_size": 34359738368
   },
   "management_tools": {
-    "bmc_vendor_tool": "none",
+    "bmc_vendor_tool": "nil",
     "ipmitool": {
       "retries": 5
     }
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-10.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-10.json
index 0739edb1c15dd52aaf1f99cf1eacf382ad895a43..7c031137996fb638f3054d0ea131e92e8f6da670 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-10.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-10.json
@@ -34,7 +34,7 @@
     "ram_size": 34359738368
   },
   "management_tools": {
-    "bmc_vendor_tool": "none",
+    "bmc_vendor_tool": "nil",
     "ipmitool": {
       "retries": 5
     }
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-11.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-11.json
index 145807c837694c3d1749067644a7469914e20460..adad97270040d9e40e4f1f171a3dc1affe78fe62 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-11.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-11.json
@@ -34,7 +34,7 @@
     "ram_size": 34359738368
   },
   "management_tools": {
-    "bmc_vendor_tool": "none",
+    "bmc_vendor_tool": "nil",
     "ipmitool": {
       "retries": 5
     }
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-12.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-12.json
index df816e4bd5ffe044e8feffced7711e5c855d150a..dc0df277e53c4d28ccbbf8908b4f0ca52eef3fad 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-12.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-12.json
@@ -34,7 +34,7 @@
     "ram_size": 34359738368
   },
   "management_tools": {
-    "bmc_vendor_tool": "none",
+    "bmc_vendor_tool": "nil",
     "ipmitool": {
       "retries": 5
     }
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-2.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-2.json
index f5ce323b2364ba84374330b4308b1e299b6b891f..0676ca3c5a397f56f36940f2e9815f83a5a0e05f 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-2.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-2.json
@@ -34,7 +34,7 @@
     "ram_size": 34359738368
   },
   "management_tools": {
-    "bmc_vendor_tool": "none",
+    "bmc_vendor_tool": "nil",
     "ipmitool": {
       "retries": 5
     }
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-3.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-3.json
index 0acdd85a569d284c2d503bfdcdfe9a6030798ce3..991ef11251ed073f40bfc4e88df074051809822b 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-3.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-3.json
@@ -34,7 +34,7 @@
     "ram_size": 34359738368
   },
   "management_tools": {
-    "bmc_vendor_tool": "none",
+    "bmc_vendor_tool": "nil",
     "ipmitool": {
       "retries": 5
     }
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-4.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-4.json
index 06a410f85d1e2c0bd15ede6adebb2333f3aa1edc..06646852a07054e45eb19a4d60d09b749b1eb9f4 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-4.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-4.json
@@ -34,7 +34,7 @@
     "ram_size": 34359738368
   },
   "management_tools": {
-    "bmc_vendor_tool": "none",
+    "bmc_vendor_tool": "nil",
     "ipmitool": {
       "retries": 5
     }
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-5.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-5.json
index 7af30cb787d32e7f3bdd7d77bdd6fa49c41ca1ea..20f72adbde39a79f16413fec67751384015d0d11 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-5.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-5.json
@@ -34,7 +34,7 @@
     "ram_size": 34359738368
   },
   "management_tools": {
-    "bmc_vendor_tool": "none",
+    "bmc_vendor_tool": "nil",
     "ipmitool": {
       "retries": 5
     }
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-6.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-6.json
index 56e35249f10099b82832d2cccd3ca0b5da5c1d2a..533a3c9b59d4aba345088d47a3d67b61bf1687b8 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-6.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-6.json
@@ -34,7 +34,7 @@
     "ram_size": 34359738368
   },
   "management_tools": {
-    "bmc_vendor_tool": "none",
+    "bmc_vendor_tool": "nil",
     "ipmitool": {
       "retries": 5
     }
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-7.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-7.json
index 1f69e65889bacc4c7757efaba454c8d4431fab17..3cbbea4fda448001c3e6d494a1e6840f2059a870 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-7.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-7.json
@@ -34,7 +34,7 @@
     "ram_size": 34359738368
   },
   "management_tools": {
-    "bmc_vendor_tool": "none",
+    "bmc_vendor_tool": "nil",
     "ipmitool": {
       "retries": 5
     }
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-8.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-8.json
index b99312f8272a12f1ce251fe1dc9f673f39067172..7bd03b6c80d2409fdd8fcb549b7441b1b9f03d33 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-8.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-8.json
@@ -34,7 +34,7 @@
     "ram_size": 34359738368
   },
   "management_tools": {
-    "bmc_vendor_tool": "none",
+    "bmc_vendor_tool": "nil",
     "ipmitool": {
       "retries": 5
     }
diff --git a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-9.json b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-9.json
index 0231bb900403c7d0e6bb0f4e8d1366660ba7da10..1274563d685f7286c831d88f76351bb9ce49bfc3 100644
--- a/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-9.json
+++ b/data/grid5000/sites/toulouse/clusters/estats/nodes/estats-9.json
@@ -34,7 +34,7 @@
     "ram_size": 34359738368
   },
   "management_tools": {
-    "bmc_vendor_tool": "none",
+    "bmc_vendor_tool": "nil",
     "ipmitool": {
       "retries": 5
     }
diff --git a/input/grid5000/sites/toulouse/clusters/estats/estats.yaml b/input/grid5000/sites/toulouse/clusters/estats/estats.yaml
index 190a98d596cd6a60cb82682a44d29aee9019da76..67ae508cd27070add98106b5cbd58804315ea175 100644
--- a/input/grid5000/sites/toulouse/clusters/estats/estats.yaml
+++ b/input/grid5000/sites/toulouse/clusters/estats/estats.yaml
@@ -35,4 +35,4 @@ nodes:
     software:
       standard-environment: debian11-arm64-stdl4t
     management_tools:
-      bmc_vendor_tool: "none"
+      bmc_vendor_tool: nil