--- a/src/main/java/de/intevation/lada/model/stamm/Ort.java	Fri Jan 08 12:09:12 2016 +0100
+++ b/src/main/java/de/intevation/lada/model/stamm/Ort.java	Fri Jan 08 12:10:09 2016 +0100
@@ -5,6 +5,8 @@
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
 import javax.persistence.Id;
 import javax.persistence.Table;
 
@@ -19,6 +21,8 @@
     private static final long serialVersionUID = 1L;
 
     @Id
+    @GeneratedValue(strategy=GenerationType.IDENTITY)
+    @Column(name="id", unique=true, nullable=false)
     private Integer id;
 
     private String aktiv;