diff --git a/input/grid5000/sites/nancy/clusters/gros/nodes/gros-15.yaml b/input/grid5000/sites/nancy/clusters/gros/nodes/gros-15.yaml
index 14d441c1db002d0fefb439a104f69f71403eefa5..c6d60f90ca3f0f7a994590aa29b1addee53d04f1 100644
--- a/input/grid5000/sites/nancy/clusters/gros/nodes/gros-15.yaml
+++ b/input/grid5000/sites/nancy/clusters/gros/nodes/gros-15.yaml
@@ -11,7 +11,7 @@ gros-15:
     release_date: 04/09/2020
     vendor: Dell Inc.
     version: 2.6.4
-  bmc_version: '4.10.10.10'
+  bmc_version: 4.10.10.10
   chassis:
     manufacturer: Dell Inc.
     name: PowerEdge R640
diff --git a/input/grid5000/sites/nancy/clusters/gros/nodes/gros-73.yaml b/input/grid5000/sites/nancy/clusters/gros/nodes/gros-73.yaml
index 7fe1cd1009482932d02b00777dcaf63ab898c639..0d3567dc981b1f66f4dc7ec7c046cc0545af6ce1 100644
--- a/input/grid5000/sites/nancy/clusters/gros/nodes/gros-73.yaml
+++ b/input/grid5000/sites/nancy/clusters/gros/nodes/gros-73.yaml
@@ -11,7 +11,7 @@ gros-73:
     release_date: 04/09/2020
     vendor: Dell Inc.
     version: 2.6.4
-  bmc_version: '4.10.10.10'
+  bmc_version: 4.10.10.10
   chassis:
     manufacturer: Dell Inc.
     name: PowerEdge R640
diff --git a/input/grid5000/sites/nancy/clusters/gros/nodes/gros-99.yaml b/input/grid5000/sites/nancy/clusters/gros/nodes/gros-99.yaml
index ff9fdd9288d4d6c30a1fd9387c9a1f9dd1a7746f..b4870042d400d212cd720c118921dd897b5998b7 100644
--- a/input/grid5000/sites/nancy/clusters/gros/nodes/gros-99.yaml
+++ b/input/grid5000/sites/nancy/clusters/gros/nodes/gros-99.yaml
@@ -11,7 +11,7 @@ gros-99:
     release_date: 04/09/2020
     vendor: Dell Inc.
     version: 2.6.4
-  bmc_version: '4.10.10.10'
+  bmc_version: 4.10.10.10
   chassis:
     manufacturer: Dell Inc.
     name: PowerEdge R640