diff --git a/.mailmap b/.mailmap
index 38f2d1ac3d..3ec5a3f5e2 100644
--- a/.mailmap
+++ b/.mailmap
@@ -28,6 +28,7 @@
 <supriyak@linux.vnet.ibm.com> <supriyak@in.ibm.com>
 <neil@aldur.co.uk> <neil@brightbox.co.uk>
 <stefanb@us.ibm.com> <stefanb@linux.vnet.ibm.com>
+<stefanb@us.ibm.com> <stefannb@linux.vnet.ibm.com>
 <josh.durgin@inktank.com> <joshd@hq.newdream.net>
 <josh.durgin@inktank.com> <josh.durgin@dreamhost.com>
 <gerd@egidy.de> <lists@egidy.de>