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 8492ca65fcbcf9792f53742e3a76a6281028d097..78eb83415482cbb1ed2fdf8b4e8c05040e146d2a 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json
@@ -108,7 +108,7 @@
       "driver": "mlx5_core",
       "enabled": true,
       "firmware_version": "20.25.2006",
-      "guid": "0xb8599f0300d1f706",
+      "guid": "0xb8599f0300d1f6f6",
       "interface": "InfiniBand",
       "ip": "172.18.54.1",
       "kavlan": false,
diff --git a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.yaml b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.yaml
index b3415b6119fa69cd63642308e86ef6a28d75a98d..784c96e6b23e7b8dc189ec3ca5f375d3098fd798 100644
--- a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.yaml
+++ b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.yaml
@@ -46,7 +46,7 @@ pyxis-1:
     ib0:
       driver: mlx5_core
       firmware_version: 20.25.2006
-      guid: '0xb8599f0300d1f706'
+      guid: '0xb8599f0300d1f6f6'
       interface: InfiniBand
       ip: 172.18.54.1
       mac: 00:00:10:86:fe:80:00:00:00:00:00:00:b8:59:9f:03:00:d1:f6:f6