diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index 64c749fa93..3625f80134 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -426,4 +426,5 @@ cau.ac.kr
 univ-dbkm.dz
 mail.rmutt.ac.th
 lsts.edu.vn
-ucass.edu.cn
\ No newline at end of file
+ucass.edu.cn
+m.stc.edu.hk
\ No newline at end of file