diff --git a/config/environments/development.rb b/config/environments/development.rb
index 557000065..7a41f426a 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -34,7 +34,8 @@ Rails.application.configure do
 
   config.active_job.queue_adapter = :sidekiq
 
-  Rails.application.routes.default_url_options = { host: ENV['FRONTEND_URL'] }
+  host = ENV['FRONTEND_URL_EXTERNAL'].presence || ENV['FRONTEND_URL']
+  Rails.application.routes.default_url_options = { host: host }
 
   # Print deprecation notices to the Rails logger.
   config.active_support.deprecation = :log
diff --git a/config/environments/production.rb b/config/environments/production.rb
index a9504fc5c..303a42fa3 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -102,5 +102,6 @@ Rails.application.configure do
   # :sendgrid for Sendgrid
   config.action_mailbox.ingress = ENV.fetch('RAILS_INBOUND_EMAIL_SERVICE', 'relay').to_sym
 
-  Rails.application.routes.default_url_options = { host: ENV['FRONTEND_URL'] }
+  host = ENV['FRONTEND_URL_EXTERNAL'].presence || ENV['FRONTEND_URL']
+  Rails.application.routes.default_url_options = { host: host }
 end
diff --git a/config/environments/staging.rb b/config/environments/staging.rb
index ed7cc0e84..df7fcea00 100644
--- a/config/environments/staging.rb
+++ b/config/environments/staging.rb
@@ -50,7 +50,8 @@ Rails.application.configure do
   # config.active_job.queue_adapter     = :resque
   # config.active_job.queue_name_prefix = "chatwoot_#{Rails.env}"
 
-  Rails.application.routes.default_url_options = { host: ENV['FRONTEND_URL'] }
+  host = ENV['FRONTEND_URL_EXTERNAL'].presence || ENV['FRONTEND_URL']
+  Rails.application.routes.default_url_options = { host: host }
 
   # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
   # the I18n.default_locale when a translation cannot be found).