diff --git a/Quantumult/Rewrite/Block/YouTubeAds.conf b/Quantumult/Rewrite/Block/YouTubeAds.conf
index ddf7386..84173d4 100644
--- a/Quantumult/Rewrite/Block/YouTubeAds.conf
+++ b/Quantumult/Rewrite/Block/YouTubeAds.conf
@@ -1,6 +1,6 @@
 hostname = *.googlevideo.com,www.youtube.com,s.youtube.com
 
-(^https?:\/\/(?!redirector)[\w-]+\.googlevideo\.com\/(?!dclk_video_ads).+)(ctier=L)(&.+) url 302 $1$3
+(^https?:\/\/(?!redirector)[\w-]+\.googlevideo\.com\/(?!dclk_video_ads).+)(ctier=L)(&.+) url 302 $1ctier=A$3
 ^https?:\/\/[\w-]+\.googlevideo\.com\/(?!(dclk_video_ads|videoplayback\?)).+?(&oad|ctier) url reject
 
 ^https?:\/\/(www|s)\.youtube\.com\/api\/stats\/ads url reject
diff --git a/Surge/Module/Block/YouTubeAds.sgmodule b/Surge/Module/Block/YouTubeAds.sgmodule
index e440520..15dcf90 100644
--- a/Surge/Module/Block/YouTubeAds.sgmodule
+++ b/Surge/Module/Block/YouTubeAds.sgmodule
@@ -3,7 +3,7 @@
 #!system=ios
 
 [URL Rewrite]
-(^https?:\/\/(?!redirector)[\w-]+\.googlevideo\.com\/(?!dclk_video_ads).+)(ctier=L)(&.+) $1$3 header
+(^https?:\/\/(?!redirector)[\w-]+\.googlevideo\.com\/(?!dclk_video_ads).+)(ctier=L)(&.+) $1ctier=A$3 header
 ^https?:\/\/[\w-]+\.googlevideo\.com\/(?!(dclk_video_ads|videoplayback\?)).+?(&oad|ctier) - reject
 
 ^https?:\/\/(www|s)\.youtube\.com\/api\/stats\/ads - reject