diff --git a/app/lib/activitypub/activity.rb b/app/lib/activitypub/activity.rb
index 51384ef98..45ce7252f 100644
--- a/app/lib/activitypub/activity.rb
+++ b/app/lib/activitypub/activity.rb
@@ -37,7 +37,7 @@ class ActivityPub::Activity
         ActivityPub::Activity::Delete
       when 'Follow'
         ActivityPub::Activity::Follow
-      when 'Like'
+      when 'Like', 'EmojiReaction', 'EmojiReact'
         ActivityPub::Activity::Like
       when 'Block'
         ActivityPub::Activity::Block
diff --git a/app/lib/activitypub/activity/undo.rb b/app/lib/activitypub/activity/undo.rb
index b36ff0daf..09a7ac7a3 100644
--- a/app/lib/activitypub/activity/undo.rb
+++ b/app/lib/activitypub/activity/undo.rb
@@ -127,7 +127,7 @@ class ActivityPub::Activity::Undo < ActivityPub::Activity
 
       if @account.reacted?(@original_status, shortcode, emoji)
         @original_status.emoji_reactions.where(account: @account, name: shortcode, custom_emoji: emoji).first&.destroy
-  
+
         if @original_status.account.local?
           forward_for_undo_emoji_reaction
           relay_for_undo_emoji_reaction
diff --git a/app/lib/activitypub/tag_manager.rb b/app/lib/activitypub/tag_manager.rb
index 864328631..0cd211d1f 100644
--- a/app/lib/activitypub/tag_manager.rb
+++ b/app/lib/activitypub/tag_manager.rb
@@ -45,8 +45,12 @@ class ActivityPub::TagManager
       account_status_url(target.account, target)
     when :emoji
       emoji_url(target)
+
     when :flag
       target.uri
+
+    when :emoji_reaction
+      emoji_reaction_url(target)
     end
   end