diff --git a/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalComment.java b/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalComment.java
index f3ecc5c..06ca820 100644
--- a/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalComment.java
+++ b/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalComment.java
@@ -4,6 +4,8 @@
 import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.FetchType;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
 import javax.persistence.Id;
 import javax.persistence.JoinColumn;
 import javax.persistence.ManyToOne;
@@ -14,8 +16,9 @@
 public class LegacyJournalComment extends PanacheEntityBase {
 
   @Id
+  @GeneratedValue(strategy = GenerationType.IDENTITY)
   @Column(name = "id", nullable = false)
-  public int id;
+  public Integer id;
 
   @Column(name = "uuid", nullable = false, length = 36)
   public String uuid;