diff --git a/Procfile.frontend b/Procfile.frontend
index 338f1a2a6..79bdeb8a7 100644
--- a/Procfile.frontend
+++ b/Procfile.frontend
@@ -1,5 +1,9 @@
-web: bundle exec ruby script/rails server -b ${ZAMMAD_BIND_IP:=127.0.0.1} -p ${ZAMMAD_RAILS_PORT:=3000}
-websocket: bundle exec ruby script/websocket-server.rb -b ${ZAMMAD_BIND_IP:=127.0.0.1} -p ${ZAMMAD_WEBSOCKET_PORT:=6042} start
-worker: bundle exec ruby script/scheduler.rb start -t
-guard: bundle exec guard -P livereload
-gulp: bundle exec gulp
\ No newline at end of file
+web: bundle exec script/rails server -b ${ZAMMAD_BIND_IP:=127.0.0.1} -p ${ZAMMAD_RAILS_PORT:=3000}
+websocket: bundle exec script/websocket-server.rb -b ${ZAMMAD_BIND_IP:=127.0.0.1} -p ${ZAMMAD_WEBSOCKET_PORT:=6042} start
+worker: bundle exec script/scheduler.rb start -t
+guard: bundle exec guard -i
+
+// This is NOT the `gulp` Ruby gem.
+// Use yarn (or npm) to install the `gulp` npm package,
+// then add node_modules/.bin to your $PATH.
+gulp: gulp