diff --git a/vmm/src/api/openapi/cloud-hypervisor.yaml b/vmm/src/api/openapi/cloud-hypervisor.yaml
index 8a034b095..fb894545f 100644
--- a/vmm/src/api/openapi/cloud-hypervisor.yaml
+++ b/vmm/src/api/openapi/cloud-hypervisor.yaml
@@ -689,7 +689,7 @@ components:
           type: array
           items:
             $ref: "#/components/schemas/FsConfig"
-        generic-vhost-user:
+        generic_vhost_user:
           type: array
           items:
             $ref: "#/components/schemas/GenericVhostUserConfig"