diff --git a/calibre-plugin/plugin-defaults.ini b/calibre-plugin/plugin-defaults.ini
index dba1d460..b3d42824 100644
--- a/calibre-plugin/plugin-defaults.ini
+++ b/calibre-plugin/plugin-defaults.ini
@@ -776,7 +776,7 @@ max_fg_sleep:4.0
 max_fg_sleep_at_downloads:4
 
 ## exclude emoji and default avatars.
-cover_exclusion_regexp:(/styles/|xenforo/avatars/avatar.*\.png|https://cdn\.jsdelivr\.net/gh/|https://cdn\.jsdelivr\.net/emojione|/data/svg/2/1/\d+/2022_favicon_[^.]*\.png)
+cover_exclusion_regexp:(/styles/|xenforo/avatars/avatar.*\.png|https://cdn\.jsdelivr\.net/gh/|https://cdn\.jsdelivr\.net/emojione|/data/svg/2/1/\d+/2022_favicon_[^.]*\.png|ytimg.com)
 
 ## use author(original poster)'s avatar as cover image when true.
 author_avatar_cover:false
diff --git a/fanficfare/defaults.ini b/fanficfare/defaults.ini
index 0a206694..3756dbf8 100644
--- a/fanficfare/defaults.ini
+++ b/fanficfare/defaults.ini
@@ -766,7 +766,7 @@ use_basic_cache:true
 slow_down_sleep_time:6
 
 ## exclude emoji and default avatars.
-cover_exclusion_regexp:(/styles/|xenforo/avatars/avatar.*\.png|https://cdn\.jsdelivr\.net/gh/|https://cdn\.jsdelivr\.net/emojione|/data/svg/2/1/\d+/2022_favicon_[^.]*\.png)
+cover_exclusion_regexp:(/styles/|xenforo/avatars/avatar.*\.png|https://cdn\.jsdelivr\.net/gh/|https://cdn\.jsdelivr\.net/emojione|/data/svg/2/1/\d+/2022_favicon_[^.]*\.png|ytimg.com)
 
 ## use author(original poster)'s avatar as cover image when true.
 author_avatar_cover:false