diff --git a/data/grid5000/sites/sophia/clusters/esterel6/nodes/esterel6-1.json b/data/grid5000/sites/sophia/clusters/esterel6/nodes/esterel6-1.json
index 5910c4e85a3cc25ceb8f949534f6ab2beb596ce0..642a39792adec74af526e5eb057d1bce29dc188f 100644
--- a/data/grid5000/sites/sophia/clusters/esterel6/nodes/esterel6-1.json
+++ b/data/grid5000/sites/sophia/clusters/esterel6/nodes/esterel6-1.json
@@ -105,7 +105,7 @@
   "storage_devices": [
     {
       "by_id": "",
-      "by_path": "/dev/disk/by-path/dummy",
+      "by_path": "/dev/disk/by-path/pci-0000:03:00.0-scsi-0:2:0:0",
       "id": "disk0",
       "interface": "SAS",
       "model": "unknown",
diff --git a/input/grid5000/sites/sophia/clusters/esterel6/esterel6.yaml b/input/grid5000/sites/sophia/clusters/esterel6/esterel6.yaml
index 5c1b44e09047342dbbc48d8fe2dd098bc66ac6d0..06df69da349e3bfcbd7f3bdc437d3f112b12dd2b 100644
--- a/input/grid5000/sites/sophia/clusters/esterel6/esterel6.yaml
+++ b/input/grid5000/sites/sophia/clusters/esterel6/esterel6.yaml
@@ -33,7 +33,7 @@ nodes:
       disk0: # This field will have to be renamed later.
         id: disk0
         interface: SAS
-        by_path: "/dev/disk/by-path/dummy" # this path will have to change later.
+        by_path: "/dev/disk/by-path/pci-0000:03:00.0-scsi-0:2:0:0" # this path will have to change later.
     software:
       standard-environment: debian11-x64-std # TODO: check that architecture is OK
     management_tools: