diff --git a/.mailmap b/.mailmap
index e51d76df75c2deede27219df6fd0d1a30065fe49..8ee01d9d70464bc0012d1bf87ca8fcef7ccd7545 100644
--- a/.mailmap
+++ b/.mailmap
@@ -166,6 +166,7 @@ Daniel Borkmann <daniel@iogearbox.net> <dborkman@redhat.com>
 Daniel Borkmann <daniel@iogearbox.net> <dxchgb@gmail.com>
 David Brownell <david-b@pacbell.net>
 David Collins <quic_collinsd@quicinc.com> <collinsd@codeaurora.org>
+David Heidelberg <david@ixit.cz> <d.okias@gmail.com>
 David Rheinsberg <david@readahead.eu> <dh.herrmann@gmail.com>
 David Rheinsberg <david@readahead.eu> <dh.herrmann@googlemail.com>
 David Rheinsberg <david@readahead.eu> <david.rheinsberg@gmail.com>