diff --git a/grails/grails-app/domain/com/baeldung/grails/Student.groovy b/grails/grails-app/domain/com/baeldung/grails/Student.groovy
index 0bad38e1a9..55a8f095e5 100644
--- a/grails/grails-app/domain/com/baeldung/grails/Student.groovy
+++ b/grails/grails-app/domain/com/baeldung/grails/Student.groovy
@@ -1,7 +1,10 @@
 package com.baeldung.grails
 
 class Student {
+    Long id
+    String firstName
+    String lastName
+
+    static constraints = {}
 
-    static constraints = {
-    }
 }