diff --git a/SpywareFilter/sections/cname_allowlist.txt b/SpywareFilter/sections/cname_allowlist.txt
index 666e0ca2f29..6c886222eb8 100644
--- a/SpywareFilter/sections/cname_allowlist.txt
+++ b/SpywareFilter/sections/cname_allowlist.txt
@@ -9,6 +9,8 @@
 !       - @@||example.org^$stealth (should be in AdGuard Base - allowlist_stealth.txt)
 !
 !
+! https://github.com/AdguardTeam/AdguardFilters/issues/166702
+||omns.americanexpress.com^$badfilter
 ! Used in shopping emails
 ||data.digital.costco.ca^$badfilter
 ||data.digital.costco.com^$badfilter