diff --git a/src/models/CommonModel.ts b/src/models/CommonModel.ts
index 2d1c9c3..7bd1cca 100644
--- a/src/models/CommonModel.ts
+++ b/src/models/CommonModel.ts
@@ -250,7 +250,7 @@
     user_domain_id: '',
     security_groups: '',
     user_domain_name: '',
-    availabilityZone: '',
+    availability_zone: '',
     keypair: '',
     region_name: '',
     dataplane_physical_net: '',