diff --git a/program/include/rcmail.php b/program/include/rcmail.php
index e013c759c..c6f8a6340 100644
--- a/program/include/rcmail.php
+++ b/program/include/rcmail.php
@@ -6,6 +6,7 @@
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
  | Copyright (C) 2008-2011, The Roundcube Dev Team                       |
+ | Copyright (C) 2011, Kolab Systems AG                                  |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php
index 4a37af6e0..dba792d1e 100644
--- a/program/include/rcube_imap.php
+++ b/program/include/rcube_imap.php
@@ -5,7 +5,8 @@
  | program/include/rcube_imap.php                                        |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2005-2010, The Roundcube Dev Team                       |
+ | Copyright (C) 2005-2011, The Roundcube Dev Team                       |
+ | Copyright (C) 2011, Kolab Systems AG                                  |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
diff --git a/program/include/rcube_session.php b/program/include/rcube_session.php
index bface28cc..0a67480b0 100644
--- a/program/include/rcube_session.php
+++ b/program/include/rcube_session.php
@@ -6,6 +6,7 @@
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
  | Copyright (C) 2005-2011, The Roundcube Dev Team                       |
+ | Copyright (C) 2011, Kolab Systems AG                                  |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
diff --git a/program/js/app.js b/program/js/app.js
index 9da19b2bb..2763b120c 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -3,7 +3,8 @@
  | Roundcube Webmail Client Script                                       |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2005-2010, The Roundcube Dev Team                       |
+ | Copyright (C) 2005-2011, The Roundcube Dev Team                       |
+ | Copyright (C) 2011, Kolab Systems AG                                  |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  +-----------------------------------------------------------------------+
diff --git a/program/steps/mail/autocomplete.inc b/program/steps/mail/autocomplete.inc
index 2968f0335..bbc7734e2 100644
--- a/program/steps/mail/autocomplete.inc
+++ b/program/steps/mail/autocomplete.inc
@@ -5,7 +5,8 @@
  | program/steps/mail/autocomplete.inc                                   |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2008-2010, Roundcube Dev Team                           |
+ | Copyright (C) 2008-2011, Roundcube Dev Team                           |
+ | Copyright (C) 2011, Kolab Systems AG                                  |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |