diff --git a/.mailmap b/.mailmap
index 38629db02dfd..2244a4673095 100644
--- a/.mailmap
+++ b/.mailmap
@@ -77,7 +77,7 @@ Seth Fowler <seth@mozilla.com> <mark.seth.fowler@gmail.com>
 Shing Lyu <shing.lyu@gmail.com> <slyu@mozilla.com>
 Stephen (Ziyun) Li <stephen.liziyun@gmail.com> <stephen.li@D2L.com>
 Tamir Duberstein <tamird@gmail.com> <tamird@squareup.com>
-Tetsuharu OHZEKI <saneyuki.snyk@gmail.com> <saneyuki.s.snyk@gmail.com>
+Tetsuharu OHZEKI <tetsuharu.ohzeki@gmail.com>
 Thiago Pontes <github@thiago.me> <email@thiago.me>
 Thiago Pontes <github@thiago.me> <thiagopnts@gmail.com>
 Tim Kuehn <tkuehn@cmu.edu>