diff --git a/03/src/de/dis2013/data/mapping/Makler.hbm.xml b/03/src/de/dis2013/data/mapping/Makler.hbm.xml
index b47267c..98a8d3d 100644
--- a/03/src/de/dis2013/data/mapping/Makler.hbm.xml
+++ b/03/src/de/dis2013/data/mapping/Makler.hbm.xml
@@ -5,7 +5,7 @@
 <hibernate-mapping>
 	<class name="de.dis2013.data.Makler" table="estateagent">
 		<id name="id" column="id">
-			<generator class="native" />
+			<generator class="increment" />
 		</id>
 		<property name="name" type="string" column="name" />
 		<property name="adresse" type="string" column="adress" />
diff --git a/03/src/de/dis2013/data/mapping/Person.hbm.xml b/03/src/de/dis2013/data/mapping/Person.hbm.xml
index 475ac5d..1d26858 100644
--- a/03/src/de/dis2013/data/mapping/Person.hbm.xml
+++ b/03/src/de/dis2013/data/mapping/Person.hbm.xml
@@ -5,7 +5,7 @@
 <hibernate-mapping>
 	<class name="de.dis2013.data.Person" table="person">
 		<id name="id" column="id">
-			<generator class="native" />
+			<generator class="increment" />
 		</id>
 		<property name="vorname" type="string" column="firstname" />
 		<property name="nachname" type="string" column="name" />