diff --git a/packages/ditto/controllers/api/instance.ts b/packages/ditto/controllers/api/instance.ts
index a887fe4d..0e07f385 100644
--- a/packages/ditto/controllers/api/instance.ts
+++ b/packages/ditto/controllers/api/instance.ts
@@ -9,6 +9,7 @@ const features = [
   'exposable_reactions',
   'mastodon_api',
   'mastodon_api_streaming',
+  'pleroma_custom_emoji_reactions',
   'pleroma_emoji_reactions',
   'quote_posting',
   'v2_suggestions',