diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index bc6c6b6e55..f3f1d01c70 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -798,4 +798,5 @@ stumail.hbu.edu.cn
 mails.jlu.edu.cn
 scnu.edu.cn
 st.nuc.edu.cn
-profundity.com.tw
\ No newline at end of file
+profundity.com.tw
+lttc.edu.vn
\ No newline at end of file