diff --git a/.mailmap b/.mailmap
index 3fc567081c1ff..d1e5b3f519591 100644
--- a/.mailmap
+++ b/.mailmap
@@ -491,6 +491,7 @@ Milan Landaverde <milanlandaverde@gmail.com>
 mjptree <michael.prantl@hotmail.de>
 Ms2ger <ms2ger@gmail.com> <Ms2ger@gmail.com>
 msizanoen1 <qtmlabs@protonmail.com>
+mu001999 <mu001999@outlook.com> <rcu@live.com>
 Mukilan Thiagarajan <mukilanthiagarajan@gmail.com>
 Nadrieril Feneanar <Nadrieril@users.noreply.github.com>
 Nadrieril Feneanar <Nadrieril@users.noreply.github.com> <nadrieril+rust@gmail.com>