diff --git a/YACOSCore/ejbModule/org/yacos/core/conferences/Conference.java b/YACOSCore/ejbModule/org/yacos/core/conferences/Conference.java
index 6c953e1..fba7e99 100644
--- a/YACOSCore/ejbModule/org/yacos/core/conferences/Conference.java
+++ b/YACOSCore/ejbModule/org/yacos/core/conferences/Conference.java
@@ -131,9 +131,13 @@ public class Conference implements Serializable{
 	public void setTitle(String title) {
 		this.title = title;
 	}
+	@Id
+	@GeneratedValue(strategy=GenerationType.AUTO)
 	public Integer getId() {
 		return id;
 	}
+	@Id
+	@GeneratedValue(strategy=GenerationType.AUTO)
 	public void setId(Integer id) {
 		this.id = id;
 	}