diff --git a/README.rdoc b/README.rdoc
index 8aa9ccb..e51e774 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -39,6 +39,9 @@ and the following LaTeX programs:
   * isodoc package (>= 1.00)
 * rubber
 
+It is also possible to use Bundler (which is the default when using
+@config.ru@), in this you only need Ruby and Bundler installed.
+
 == Installation
 
 For now, Stop… Camping Time! is in a developing state and not ready for
diff --git a/config.ru b/config.ru
index 00c13b0..b8e09c4 100644
--- a/config.ru
+++ b/config.ru
@@ -1,9 +1,10 @@
 #!/usr/bin/env rackup
 
+require "bundler/setup"
 require "./stoptime"
 
-StopTime::Models::Base.establish_connection( :adapter => 'sqlite3',
-                                             :database => 'db/stoptime.db',
-                                             :timeout => 10000 )
+StopTime::Models::Base.establish_connection(adapter: "sqlite3",
+                                            database: "db/stoptime.db",
+                                            timeout: 10000)
 StopTime.create
 run StopTime