diff --git a/persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/joincolumn/Email.java b/persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/joincolumn/Email.java
index 096faf7984..c25820300e 100644
--- a/persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/joincolumn/Email.java
+++ b/persistence-modules/hibernate-annotations/src/main/java/com/baeldung/hibernate/joincolumn/Email.java
@@ -18,7 +18,7 @@ public class Email {
     private String address;
 
     @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "employee_id")
+    @JoinColumn(name = "employee_id", referencedColumnName = "id")
     private OfficialEmployee employee;
 
     public Long getId() {