diff --git a/LegitimateURLShortener.txt b/LegitimateURLShortener.txt
index f4d3c47dc..a2b86b6f1 100644
--- a/LegitimateURLShortener.txt
+++ b/LegitimateURLShortener.txt
@@ -144,6 +144,8 @@ $removeparam=eblink
 ! https://contabo.com/?show=vps&utm_source=cj&utm_medium=affiliate&utm_campaign=vps&source=affiliate&AID=12454632&PID=8533995&SID=&CJEVENT=1999e98a465411eb825b03900a180510 (25/12/2020)
 $removeparam=AID
 $removeparam=CJEVENT
+! https://github.com/DandelionSprout/adfilt/discussions/163#discussioncomment-969819
+$removeparam=aid,domain=adguard.com
 ! https://account.microsoft.com/?refd=www.microsoft.com
 $removeparam=refd
 ! https://www.humblebundle.com/?hmb_source=navbar (09/01/2021)