diff --git a/vmm/src/api/openapi/cloud-hypervisor.yaml b/vmm/src/api/openapi/cloud-hypervisor.yaml
index dbadba734..9c05ad9e5 100644
--- a/vmm/src/api/openapi/cloud-hypervisor.yaml
+++ b/vmm/src/api/openapi/cloud-hypervisor.yaml
@@ -652,6 +652,9 @@ components:
           type: string
         id:
           type: string
+        fd:
+          type: integer
+          format: int32
 
     RngConfig:
       required: