diff --git a/CyrillicFilters/common-sections/adservers.txt b/CyrillicFilters/common-sections/adservers.txt
index fb65153ff7f..0372b856ebc 100644
--- a/CyrillicFilters/common-sections/adservers.txt
+++ b/CyrillicFilters/common-sections/adservers.txt
@@ -6,6 +6,7 @@
 ! Bad: /banner.jpg (should be in general_url.txt)
 ! Bad: ||adssubdomain.legitwebsite.com^ (should be in adservers_firstparty.txt)
 !
+||appscriptduck.com^
 ||maxrilla.com^
 ||stteeruptowind.com^
 ||infostuet.com^