diff --git a/octavia/api/v2/controllers/health_monitor.py b/octavia/api/v2/controllers/health_monitor.py
index b90c873913..096a99469c 100644
--- a/octavia/api/v2/controllers/health_monitor.py
+++ b/octavia/api/v2/controllers/health_monitor.py
@@ -280,7 +280,7 @@ class HealthMonitorController(base.BaseController):
                     'type {}'.format(db_hm.type))
             if health_monitor.expected_codes != wtypes.Unset:
                 raise exceptions.InvalidOption(
-                    value=consts.URL_PATH, option='health monitors of '
+                    value=consts.EXPECTED_CODES, option='health monitors of '
                     'type {}'.format(db_hm.type))
         else:
             # For HTTP health monitor these cannot be null/None