diff --git a/.mailmap b/.mailmap
new file mode 100644
index 000000000..f3c1ba97a
--- /dev/null
+++ b/.mailmap
@@ -0,0 +1,3 @@
+Marcelina Kościelnicka <mwk@0x04.net>
+Marcelina Kościelnicka <mwk@0x04.net> <koriakin@0x04.net>
+Marcelina Kościelnicka <mwk@0x04.net> <marcin@symbioticeda.com>