diff --git a/hsarback/src/de/hsadmin/mods/user/UnixUser.java b/hsarback/src/de/hsadmin/mods/user/UnixUser.java
index ae8c5b9..d21059c 100644
--- a/hsarback/src/de/hsadmin/mods/user/UnixUser.java
+++ b/hsarback/src/de/hsadmin/mods/user/UnixUser.java
@@ -43,7 +43,7 @@ public class UnixUser extends AbstractEntity implements Serializable, Authentica
 	private long userId;
 
 	@AnnFieldIO(validation="[a-z0-9]{5}(-[a-z0-9\\.\\_]{1,})?", rw=ReadWriteAccess.WRITEONCE)
-	@Column(name="name", columnDefinition = "character varying(24)", unique=true, updatable=false)
+	@Column(name="name", columnDefinition = "character varying(64)", unique=true, updatable=false)
 	private String name;
 
 	@AnnFieldIO(validation="[^:]{6,}", rw=ReadWriteAccess.WRITEONLY)