diff --git a/examples/sample-vm-config.json b/examples/sample-vm-config.json
index 06f949d..660b85c 100644
--- a/examples/sample-vm-config.json
+++ b/examples/sample-vm-config.json
@@ -24,10 +24,7 @@
         "isBoot": false
       }
     ],
-    "cdrom": {
-      "path": "ubuntu-24.04.3-desktop-amd64.iso",
-      "isBoot": true
-    }
+    "cdrom":"ubuntu-24.04.3-desktop-amd64.iso"
   },
   "network": {
     "backend": "user",