diff --git a/users.hpp b/users.hpp
index a1fcc36..77a1079 100644
--- a/users.hpp
+++ b/users.hpp
@@ -113,7 +113,7 @@
     /** @brief indicates if the user's password is expired
      *
      **/
-    bool userPasswordExpired(void) const;
+    bool userPasswordExpired(void) const override;
 
   private:
     std::string userName;