diff --git a/winixd/models/user.cpp b/winixd/models/user.cpp
index 6dddffc..fb2b041 100644
--- a/winixd/models/user.cpp
+++ b/winixd/models/user.cpp
@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2012-2021, Tomasz Sowa
+ * Copyright (c) 2012-2022, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -212,7 +212,7 @@ void User::id_is(EzcEnv & env)
 {
 	if( !env.par.empty() )
 	{
-		long par_user_id = pt::Tol(env.par.c_str());
+		long par_user_id = pt::to_l(env.par);
 		env.res = id == par_user_id;
 	}
 }