diff --git a/RO/osm_ro/nfvo.py b/RO/osm_ro/nfvo.py
index 9e48c4aea808c7e4a7c8d52dbc4bed748d4f38ea..100c6aed8df6e70af80a2e00d3cf32d2a9ff8bce 100644
--- a/RO/osm_ro/nfvo.py
+++ b/RO/osm_ro/nfvo.py
@@ -5325,7 +5325,7 @@ def edit_vim_account(mydb, nfvo_tenant, datacenter_tenant_id, datacenter_id=None
     if config:
         original_config_dict = yaml.load(original_config, Loader=yaml.Loader)
         original_config_dict.update(config)
-        update["config"] = yaml.safe_dump(original_config_dict, default_flow_style=True, width=256)
+        update_["config"] = yaml.safe_dump(original_config_dict, default_flow_style=True, width=256)
     if name:
         update_['name'] = name
     if vim_tenant: