diff --git a/app/models/instance_info.rb b/app/models/instance_info.rb
index 3729a5755d..7b42c2df7e 100644
--- a/app/models/instance_info.rb
+++ b/app/models/instance_info.rb
@@ -28,6 +28,7 @@ class InstanceInfo < ApplicationRecord
     Iceshrimp.NET
     meisskey
     misskey
+    mitra
     pleroma
     sharkey
     tanukey