diff --git a/.mailmap b/.mailmap
index 10ed81ae024df4b603eab80a55c8ea2ed570a0f5..a6d895ebdb5640628838a055bdbd1c38c0018d29 100644
--- a/.mailmap
+++ b/.mailmap
@@ -12,4 +12,5 @@ Bertrand Thirion <bertrand.thirion@inria.fr> bthirion <bertrand.thirion@inria.fr
 Peter Prettenhofer <peter.prettenhofer@gmail.com> pprett <peter.prettenhofer@gmail.com>
 Anne-Laure Fouque <afouque@is208050.(none)> Anne-Laure FOUQUE <af216607@is206635.intra.cea.fr>
 Vincent Dubourg <vincent.dubourg@gmail.com> dubourg <vincent.dubourg@gmail.com>
-Vincent Dubourg <vincent.dubourg@gmail.com> dubourg <dubourg@PTlami14.(none)>
\ No newline at end of file
+Vincent Dubourg <vincent.dubourg@gmail.com> dubourg <dubourg@PTlami14.(none)>
+Christian Osendorfer <osendorf@gmail.com> osdf <osendorf@gmail.com> 
\ No newline at end of file