diff --git a/config/config.exs b/config/config.exs
index e2b00bda1..81d50cdee 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -603,6 +603,7 @@ config :pleroma, :web_cache_ttl,
   activity_pub: nil,
   activity_pub_question: 30_000
 
+config :swarm, node_blacklist: [~r/myhtmlex_.*$/]
 # Import environment specific config. This must remain at the bottom
 # of this file so it overrides the configuration defined above.
 import_config "#{Mix.env()}.exs"