diff --git a/MobileFilter/sections/css_extended.txt b/MobileFilter/sections/css_extended.txt
index eb903bdcc7d..4b811114ec1 100644
--- a/MobileFilter/sections/css_extended.txt
+++ b/MobileFilter/sections/css_extended.txt
@@ -6,6 +6,7 @@
 ! Bad: example.org##main > div.ad (should be in specific.txt)
 !
 !
+whotwi.com#?#li > div.sp_ad_rectangle_responsive:upward(1)
 nishinippon.co.jp#?#.c-heading-h2--simple:has(+ div.OUTBRAIN)
 gendai.media#?#.blockContainerRight.sp > div.adRectangleContainer:upward(1)
 surfsnow.jp#$?#.modaal-inline:has(a[href*="/jackbnr_"]) { display: none !important; }