diff --git a/calibre-plugin/plugin-defaults.ini b/calibre-plugin/plugin-defaults.ini
index 3328b945..aae9a5d1 100644
--- a/calibre-plugin/plugin-defaults.ini
+++ b/calibre-plugin/plugin-defaults.ini
@@ -555,7 +555,7 @@ add_to_extra_titlepage_entries:,storynotes
 slow_down_sleep_time:4
 
 ## exclude emoji and default avatars.
-cover_exclusion_regexp:(/styles/|xenforo/avatars/avatar.*\.png)
+cover_exclusion_regexp:(/styles/|xenforo/avatars/avatar.*\.png|https://cdn\.jsdelivr\.net/gh|https://cdn\.jsdelivr\.net/emojione)
 
 ## 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 d45d40fa..3175f4e5 100644
--- a/fanficfare/defaults.ini
+++ b/fanficfare/defaults.ini
@@ -582,7 +582,7 @@ add_to_extra_titlepage_entries:,storynotes
 slow_down_sleep_time:4
 
 ## exclude emoji and default avatars.
-cover_exclusion_regexp:(/styles/|xenforo/avatars/avatar.*\.png)
+cover_exclusion_regexp:(/styles/|xenforo/avatars/avatar.*\.png|https://cdn\.jsdelivr\.net/gh/|https://cdn\.jsdelivr\.net/emojione)
 
 ## use author(original poster)'s avatar as cover image when true.
 author_avatar_cover:false