diff --git a/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalCategory.java b/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalCategory.java
index 92cc3df..31a968e 100644
--- a/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalCategory.java
+++ b/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalCategory.java
@@ -3,6 +3,8 @@
 import io.quarkus.hibernate.orm.panache.PanacheEntityBase;
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
 import javax.persistence.Id;
 import javax.persistence.Table;
 
@@ -11,8 +13,9 @@
 public class LegacyJournalCategory 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;
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;
diff --git a/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalEntry.java b/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalEntry.java
index 0038f97..fcbf895 100644
--- a/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalEntry.java
+++ b/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalEntry.java
@@ -5,6 +5,8 @@
 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.OneToMany;
 import javax.persistence.Table;
@@ -14,8 +16,9 @@
 public class LegacyJournalEntry 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;
diff --git a/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalPingback.java b/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalPingback.java
index 6f0022b..2d2702b 100644
--- a/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalPingback.java
+++ b/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalPingback.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 LegacyJournalPingback 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;
diff --git a/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalTrackback.java b/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalTrackback.java
index 3d9c500..618a2e3 100644
--- a/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalTrackback.java
+++ b/src/main/java/eu/mulk/mulkcms2/cms/legacyjournal/LegacyJournalTrackback.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 LegacyJournalTrackback 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;