diff --git a/.mailmap b/.mailmap
index 69a2ca13fe..6ad1d1163c 100644
--- a/.mailmap
+++ b/.mailmap
@@ -5,3 +5,4 @@ Max Wipfli <max.wipfli@serenityos.org> <mail@maxwipfli.ch>
 Sam Atkins <atkinssj@serenityos.org> <atkinssj@gmail.com>
 Karol Kosek <krkk@serenityos.org> <krkk@krkk.ct8.pl>
 David Tuin <davidot@serenityos.org> <david.tuin@gmail.com>
+Tobias Christiansen <tobyase@serenityos.org> <tobi@tobyase.de>