diff --git a/telegram-base.c b/telegram-base.c
index 210b4d2..46bd29a 100644
--- a/telegram-base.c
+++ b/telegram-base.c
@@ -15,7 +15,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
 
-    Copyright Matthias Jentsch, Vitaly Valtman, Christopher Althaus, Markus Endres 2014-2015
+    Copyright Matthias Jentsch, Vitaly Valtman, Ben Wiederhake, Christopher Althaus 2014-2015
 */
 
 #define _GNU_SOURCE
diff --git a/telegram-base.h b/telegram-base.h
index 2b2f6e9..9e4a458 100644
--- a/telegram-base.h
+++ b/telegram-base.h
@@ -15,7 +15,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
 
-    Copyright Matthias Jentsch, Vitaly Valtman, Christopher Althaus, Markus Endres 2014-2015
+    Copyright Matthias Jentsch, Vitaly Valtman, Christopher Althaus, Ben Wiederhake 2014-2015
 */
 #ifndef __TELEGRAM_BASE_H__
 #define __TELEGRAM_BASE_H__
diff --git a/telegram-purple.c b/telegram-purple.c
index fa98e28..213e972 100644
--- a/telegram-purple.c
+++ b/telegram-purple.c
@@ -15,7 +15,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  
-    Copyright Matthias Jentsch, Vitaly Valtman, Christopher Althaus, Markus Endres 2014-2015
+    Copyright Matthias Jentsch, Vitaly Valtman, Ben Wiederhake, Christopher Althaus 2014-2015
 */
 
 #include "telegram-purple.h"
diff --git a/telegram-purple.h b/telegram-purple.h
index b789463..77905e4 100644
--- a/telegram-purple.h
+++ b/telegram-purple.h
@@ -15,7 +15,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
 
-    Copyright Matthias Jentsch, Vitaly Valtman, Christopher Althaus, Markus Endres 2014-2015
+    Copyright Matthias Jentsch, Vitaly Valtman, Christopher Althaus, Ben Wiederhake 2014-2015
 */
 #ifndef __TG_PURPLE_H__
 #define __TG_PURPLE_H__
diff --git a/tgp-2prpl.c b/tgp-2prpl.c
index 0d726c4..5668ad1 100644
--- a/tgp-2prpl.c
+++ b/tgp-2prpl.c
@@ -15,7 +15,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
 
-    Copyright Matthias Jentsch 2014
+    Copyright Matthias Jentsch, Ben Wiederhake 2014-2015
 */
 
 #include "telegram-purple.h"
diff --git a/tgp-chat.c b/tgp-chat.c
index 5651311..7a78e79 100644
--- a/tgp-chat.c
+++ b/tgp-chat.c
@@ -15,7 +15,7 @@
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  
- Copyright Matthias Jentsch 2014-2015
+ Copyright Matthias Jentsch, Ben Wiederhake 2014-2015
  */
 
 #include "tgp-chat.h"
diff --git a/tgp-net.c b/tgp-net.c
index 6f554d4..3d9a03e 100644
--- a/tgp-net.c
+++ b/tgp-net.c
@@ -15,7 +15,7 @@
     License along with this library; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 
-    Copyright Vitaly Valtman 2013-2015
+    Copyright Vitaly Valtman, Matthias Jentsch 2013-2015
 */
 
 #define _GNU_SOURCE