diff --git a/Guardfile b/Guardfile
index 3c5adfccd..90d07db40 100644
--- a/Guardfile
+++ b/Guardfile
@@ -1,7 +1,7 @@
 # A sample Guardfile
 # More info at https://github.com/guard/guard#readme
 
-guard 'livereload' do
+guard 'livereload', :port => '35738' do
   watch(%r{app/views/.+\.(erb|haml|slim)$})
   watch(%r{app/helpers/.+\.rb})
   watch(%r{public/.+\.(css|js|html)})
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 53df25ea9..9a68eac06 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -34,6 +34,7 @@ Zammad::Application.configure do
   config.middleware.use(Rack::LiveReload,
     :min_delay        => 500,    # default 1000
     :max_delay        => 10_000, # default 60_000
+    :live_reload_port => 35738,
     :source => :vendored
   )
 end