diff --git a/MobileFilter/sections/specific_web.txt b/MobileFilter/sections/specific_web.txt
index da4668be21b..6851260770c 100644
--- a/MobileFilter/sections/specific_web.txt
+++ b/MobileFilter/sections/specific_web.txt
@@ -80,6 +80,7 @@ sp.manga.nicovideo.jp##div[style^="--ads-width:"]
 !
 ! SECTION: Regular rules
 !
+mona-news.com##.slot-insert
 vocus.cc##.editor-content-block > div[style]:has(> #vocus_m_reading_parallax_middle)
 hotukdeals.com##.js-threadList > div:not([class]):not([id]):has(> .box--contents > div[class] > .slot--bg)
 alternet.org##.widget__body > span.widget__section:has(> div#alternet_mob_incontent)