diff --git a/persistence-modules/spring-boot-persistence-mongodb/src/main/java/com/baeldung/mongodb/events/UserModelListener.java b/persistence-modules/spring-boot-persistence-mongodb/src/main/java/com/baeldung/mongodb/events/UserModelListener.java
index 24b53f3d2d..2fe81f7ef4 100644
--- a/persistence-modules/spring-boot-persistence-mongodb/src/main/java/com/baeldung/mongodb/events/UserModelListener.java
+++ b/persistence-modules/spring-boot-persistence-mongodb/src/main/java/com/baeldung/mongodb/events/UserModelListener.java
@@ -21,7 +21,9 @@ public class UserModelListener extends AbstractMongoEventListener<User> {
 
     @Override
     public void onBeforeConvert(BeforeConvertEvent<User> event) {
-        event.getSource().setId(sequenceGenerator.generateSequence(User.SEQUENCE_NAME));
+        if (event.getSource().getId() < 1) {
+            event.getSource().setId(sequenceGenerator.generateSequence(User.SEQUENCE_NAME));
+        }
     }