diff --git a/.mailmap b/.mailmap
index bbb5246a8a..4537815812 100644
--- a/.mailmap
+++ b/.mailmap
@@ -3,3 +3,4 @@ Brian Gianforcaro <bgianf@serenityos.org> <b.gianfo@gmail.com>
 <gbeutner@serenityos.org> <gunnar@beutner.name>
 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>