diff --git a/hsarback/src/de/hsadmin/mods/db/DatabaseUser.java b/hsarback/src/de/hsadmin/mods/db/DatabaseUser.java
index b8a3d71..4647cea 100644
--- a/hsarback/src/de/hsadmin/mods/db/DatabaseUser.java
+++ b/hsarback/src/de/hsadmin/mods/db/DatabaseUser.java
@@ -44,7 +44,7 @@ public abstract class DatabaseUser extends AbstractEntity implements Serializabl
 	private long id;
 
 	@AnnFieldIO(validation="[a-z0-9]{5}_[a-z0-9_]{1,}", rw=ReadWriteAccess.WRITEONCE)
-	@Column(name = "name", columnDefinition = "character varying(24)", updatable=false)
+	@Column(name = "name", columnDefinition = "character varying(64)", updatable=false)
 	private String name;
 
 	@AnnFieldIO(validation="[^']{6,}", rw=ReadWriteAccess.WRITEONLY)