diff --git a/server/AyaNova/biz/HeadOfficeBiz.cs b/server/AyaNova/biz/HeadOfficeBiz.cs
index 96902993..265c6a82 100644
--- a/server/AyaNova/biz/HeadOfficeBiz.cs
+++ b/server/AyaNova/biz/HeadOfficeBiz.cs
@@ -156,7 +156,7 @@ namespace AyaNova.Biz
                         AddError(ApiErrorCode.NOT_FOUND);
                         return false;
                     }
-                    ValidateCanDelete(dbObject);
+                    await ValidateCanDeleteAsync(dbObject);
                     if (HasErrors)
                         return false;