diff --git a/Procfile b/Procfile
index 248abb76d..8bfeb0efd 100644
--- a/Procfile
+++ b/Procfile
@@ -1,3 +1,3 @@
-web: bundle exec rails s -p 3000
+web: bundle exec puma -b tcp://${ZAMMAD_BIND:=127.0.0.1}:${ZAMMAD_RAILS_PORT:=3000}
 worker: bundle exec script/scheduler.rb start -t
-websocket: bundle exec script/websocket-server.rb start
\ No newline at end of file
+websocket: bundle exec script/websocket-server.rb -b ${ZAMMAD_BIND:=127.0.0.1} -p ${ZAMMAD_WEBSOCKET_PORT:=6042} start