diff --git a/EnglishFilter/sections/whitelist_stealth.txt b/EnglishFilter/sections/whitelist_stealth.txt
index 570b794a3c4..29dd52a0b34 100644
--- a/EnglishFilter/sections/whitelist_stealth.txt
+++ b/EnglishFilter/sections/whitelist_stealth.txt
@@ -29,6 +29,8 @@
 !#########################################
 !
 !
+! https://github.com/AdguardTeam/AdguardFilters/issues/56477#issuecomment-638972724 [Stealth Mode - Block third-party Authorization header]
+@@||userservice-api.channel5.com^$stealth
 ! https://github.com/AdguardTeam/AdguardFilters/issues/56770 [Stealth Mode - Block Push API]
 @@||powv1deo.cc^$stealth
 ! https://github.com/AdguardTeam/AdguardFilters/issues/56483 [Stealth Mode - IP hiding]