--- a/exceptionrules/exceptionrules.txt
+++ b/exceptionrules/exceptionrules.txt
@@ -4901,17 +4901,17 @@ washingtontimes.com#@##ad-lead
 !:type=partner
 !:forum=https://adblockplus.org/forum/viewtopic.php?f=12&t=42216
 ! muthead.com, minecraftforum.net and hearthpwn.com ads
 @@||g.doubleclick.net/pagead/ads?*^slotname=3242696708^$subdocument,domain=muthead.com
 @@||g.doubleclick.net/pagead/ads?*^slotname=4719429907^$subdocument,domain=muthead.com
 @@||g.doubleclick.net/pagead/ads?*^slotname=6577939508^$subdocument,domain=muthead.com
 @@||g.doubleclick.net/pagead/ads?*^slotname=9531405900^$subdocument,domain=muthead.com
 @@||g.doubleclick.net/pagead/ads?*^slotname=6196163104^$subdocument,domain=muthead.com
-@||googlesyndication.com/safeframe/$subdocument,domain=muthead.com
+@@||googlesyndication.com/safeframe/$subdocument,domain=muthead.com
 @@||partner.googleadservices.com/gpt/pubads_impl_$script,domain=muthead.com
 @@||adtechus.com/pubapi/$xmlhttprequest,domain=minecraftforum.net|muthead.com
 muthead.com#@#.ad-leaderboard
 muthead.com#@#.ad-placement
 muthead.com#@#.atf-ad-leaderboard
 muthead.com#@#.atf-ad-medRect
 @@||g.doubleclick.net/gampad/ads?$script,domain=muthead.com|minecraftforum.net
 @@||g.doubleclick.net/pagead/ads?*^slotname=3242696708^$subdocument,domain=minecraftforum.net