diff --git a/vmm/src/api/openapi/cloud-hypervisor.yaml b/vmm/src/api/openapi/cloud-hypervisor.yaml
index 52974070c..6ed3476ac 100644
--- a/vmm/src/api/openapi/cloud-hypervisor.yaml
+++ b/vmm/src/api/openapi/cloud-hypervisor.yaml
@@ -534,6 +534,9 @@ components:
         hugepages:
           type: boolean
           default: false
+        hugepage_size:
+          type: integer
+          format: int64
         host_numa_node:
           type: integer
           format: int32
@@ -571,6 +574,9 @@ components:
         hugepages:
           type: boolean
           default: false
+        hugepage_size:
+          type: integer
+          format: int64
         zones:
           type: array
           items: