diff --git a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json
index 27eb51d02d8717dc08bb268b9dde2a09dbb7b98e..e24492d5f6042782525c0e76829c280f9149a61f 100644
--- a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json
+++ b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json
@@ -11,7 +11,7 @@
     "vendor": "Dell Inc.",
     "version": "2.11.2"
   },
-  "bmc_version": "5.00",
+  "bmc_version": "5.00.00.00",
   "chassis": {
     "manufacturer": "Dell Inc.",
     "name": "PowerEdge R640",
diff --git a/input/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.yaml b/input/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.yaml
index ce68e6926c543813d94dada88007773549a95d65..17effcf0725e0755176cdba7172c288d1d4173b7 100644
--- a/input/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.yaml
+++ b/input/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.yaml
@@ -11,7 +11,7 @@ troll-4:
     release_date: 004/21/2021
     vendor: Dell Inc.
     version: 2.11.2
-  bmc_version: '5.00'
+  bmc_version: 5.00.00.00
   chassis:
     manufacturer: Dell Inc.
     name: PowerEdge R640