diff --git a/.mailmap b/.mailmap
index e1c6e9d08a53..176329e4b600 100644
--- a/.mailmap
+++ b/.mailmap
@@ -37,3 +37,4 @@ LLVM GN Syncbot <llvmgnsyncbot@gmail.com>
 Martin Storsjö <martin@martin.st>
 Ramkumar Ramachandra <r@artagnon.com> <artagnon@gmail.com>
 Saleem Abdulrasool <compnerd@compnerd.org>
+Tommy Chiang <ty1208chiang@gmail.com> <oToToT@users.noreply.github.com>