diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index 76875672aa..df5a3a3bd5 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -643,4 +643,5 @@ alumni.ncu.edu.tw
 smkmuhkarangmojo.com
 aimu.edu.kg
 poornima.ac.in
-mail.centroeducativoinvironda.edu.do
\ No newline at end of file
+mail.centroeducativoinvironda.edu.do
+theflightsims.edu.pl
\ No newline at end of file