diff --git a/redfish-core/lib/account_service.hpp b/redfish-core/lib/account_service.hpp
index a5c501d..70eed78 100644
--- a/redfish-core/lib/account_service.hpp
+++ b/redfish-core/lib/account_service.hpp
@@ -477,7 +477,7 @@
                                     *userLocked;
                                 asyncResp->res.jsonValue
                                     ["Locked@Redfish.AllowableValues"] = {
-                                    false};
+                                    "false"};
                             }
                             else if (property.first == "UserPrivilege")
                             {