diff --git a/.mailmap b/.mailmap
index 212e60993d..92a9e07748 100644
--- a/.mailmap
+++ b/.mailmap
@@ -64,6 +64,8 @@ Diederik Loerakker <proto@protolambda.com>
 
 Dimitry Khokhlov <winsvega@mail.ru>
 
+Ha ĐANG <dvietha@gmail.com>
+
 Domino Valdano <dominoplural@gmail.com>
 Domino Valdano <dominoplural@gmail.com> <jeff@okcupid.com>
 
diff --git a/AUTHORS b/AUTHORS
index 6840aa9b6e..1ec240aeb6 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -282,10 +282,8 @@ Gus <yo@soygus.com>
 Gustav Simonsson <gustav.simonsson@gmail.com>
 Gustavo Silva <GustavoRSSilva@users.noreply.github.com>
 Gísli Kristjánsson <gislik@hamstur.is>
-Ha DANG <dvietha@gmail.com>
 Ha ĐANG <dvietha@gmail.com>
 HackyMiner <hackyminer@gmail.com>
-hadv <dvietha@gmail.com>
 Halimao <1065621723@qq.com>
 Hanjiang Yu <delacroix.yu@gmail.com>
 Hao Bryan Cheng <haobcheng@gmail.com>