diff --git a/.mailmap b/.mailmap
index b1be2680653..03c55d8ab84 100644
--- a/.mailmap
+++ b/.mailmap
@@ -256,6 +256,7 @@ Freya Gentz <zegentzy@protonmail.com>
 George Sapountzis <gsapountzis@gmail.com> George Sapountzis <gsap7@yahoo.gr>
 
 Gert Wollny <gert.wollny@collabora.com> <gw.fossdev@gmail.com>
+Gert Wollny <gert.wollny@collabora.com> <gert.wollny@collabora.co.uk>
 
 Gurchetan Singh <gurchetansingh@chromium.org>