diff --git a/data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-91.json b/data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-91.json
index e89a57917d33d2c2b6dac6f71ce881736d4b65e3..c7f08868bb4c57285e1b3921980b83cf8e430c1c 100644
--- a/data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-91.json
+++ b/data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-91.json
@@ -73,7 +73,7 @@
       "rate": 20000000000,
       "switch": "sgriffonib",
       "vendor": "Mellanox",
-      "version": "MT26418"
+      "version": "MT25418"
     },
     {
       "device": "ib1",
@@ -86,7 +86,7 @@
       "mounted": false,
       "rate": 8000000000,
       "vendor": "Mellanox",
-      "version": "MT26418"
+      "version": "MT25418"
     },
     {
       "device": "bmc",
diff --git a/generators/input/sites/nancy/clusters/griffon.rb b/generators/input/sites/nancy/clusters/griffon.rb
index 81e7b7f9729d812cb16fc7a7348c1762057289da..e76282116cd87e204a8243cc844ac22d3ad78b14 100644
--- a/generators/input/sites/nancy/clusters/griffon.rb
+++ b/generators/input/sites/nancy/clusters/griffon.rb
@@ -102,7 +102,7 @@ site :nancy do |site_uid|
           :mountable        => lookup('griffon_generated', node_uid, 'network_interfaces', 'ib0', 'mountable'),
           :mounted          => lookup('griffon_generated', node_uid, 'network_interfaces', 'ib0', 'mounted'),
           :vendor           => 'Mellanox',
-          :version          => "MT26418",
+          :version          => lookup('griffon_generated', node_uid, 'network_interfaces', 'ib0', 'version'),
           :driver           => lookup('griffon_generated', node_uid, 'network_interfaces', 'ib0', 'driver'),
           :network_address  => "#{node_uid}-ib0.#{site_uid}.grid5000.fr",
           :ip               => lookup('griffon_generated', node_uid, 'network_interfaces', 'ib0', 'ip'),
@@ -122,7 +122,7 @@ site :nancy do |site_uid|
           :mountable        => lookup('griffon_generated', node_uid, 'network_interfaces', 'ib1', 'mountable'),
           :mounted          => lookup('griffon_generated', node_uid, 'network_interfaces', 'ib1', 'mounted'),
           :vendor           => 'Mellanox',
-          :version          => "MT26418",
+          :version          => lookup('griffon_generated', node_uid, 'network_interfaces', 'ib1', 'version'),
           :driver           => lookup('griffon_generated', node_uid, 'network_interfaces', 'ib1', 'driver'),
           :guid             => lookup('griffon_generated', node_uid, 'network_interfaces', 'ib1', 'guid')
         },
diff --git a/generators/input/sites/nancy/clusters/griffon_generated.yaml b/generators/input/sites/nancy/clusters/griffon_generated.yaml
index 7bd7a7930fa0593337fc62af15bffc662790a5e8..fff084617d97fc72029919dbeb4ce0c790cdbe50 100644
--- a/generators/input/sites/nancy/clusters/griffon_generated.yaml
+++ b/generators/input/sites/nancy/clusters/griffon_generated.yaml
@@ -7587,7 +7587,7 @@ griffon-91:
       driver: mlx4_core
       guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:00:7b:25
       rate: 20000000000
-      version: MT25418
+      version: MT25418 
       enabled: true
       mountable: true
       mounted: true