diff --git a/railties/bin/listener b/railties/bin/listener
index 2310282204..493ac9dca4 100644
--- a/railties/bin/listener
+++ b/railties/bin/listener
@@ -2,6 +2,7 @@ require "drb"
 ENV["RAILS_ENV"] = 'production'
 require "#{File.dirname(__FILE__)}/../config/environment.rb"
 require 'fcgi_handler'
+require 'rbconfig'
 
 VERBOSE = false
 
@@ -90,7 +91,10 @@ if ARGV.shift == 'start-listeners'
   
   if number > 1
     fork do
-      exec 'ruby', __FILE__, 'start-listeners', tracker, (number - 1).to_s
+      exec(
+        File.join(Config::CONFIG['bin_dir'], Config::CONFIG['RUBY_SO_NAME']), 
+        __FILE__, 'start-listeners', tracker, (number - 1).to_s
+      )
     end
   end
   
diff --git a/railties/bin/tracker b/railties/bin/tracker
index 3a0c3aafc9..17fce67e54 100644
--- a/railties/bin/tracker
+++ b/railties/bin/tracker
@@ -1,4 +1,5 @@
 require "drb"
+require "rbconfig"
 
 VERBOSE = false
 
@@ -85,7 +86,10 @@ class Tracker
     tracker_uri = @uri
     listener_path = File.join(File.dirname(__FILE__), 'listener')
     fork do
-      exec 'ruby', listener_path, 'start-listeners', tracker_uri, n.to_s 
+      exec(
+        File.join(Config::CONFIG['bin_dir'], Config::CONFIG['RUBY_SO_NAME']), 
+        listener_path, 'start-listeners', tracker_uri, n.to_s
+      )
     end
   end
   
diff --git a/railties/dispatches/gateway.cgi b/railties/dispatches/gateway.cgi
index b8d44acef2..d9f0c17846 100644
--- a/railties/dispatches/gateway.cgi
+++ b/railties/dispatches/gateway.cgi
@@ -2,8 +2,9 @@
 
 # This is an experimental feature for getting high-speed CGI by using a long-running, DRb-backed server in the background
 
-require File.join(File.dirname(__FILE__), 'drb')
+require 'drb'
 require 'cgi'
+require 'rbconfig'
 
 VERBOSE = false
 
@@ -19,7 +20,7 @@ def start_tracker
     STDIN.reopen "/dev/null"
     STDOUT.reopen "/dev/null", "a"
     
-    exec 'ruby', tracker_path, 'start', ConnectionUri
+    exec(File.join(Config::CONFIG['bin_dir'], Config::CONFIG['RUBY_SO_NAME']), tracker_path, 'start', ConnectionUri)
   end
   
   $stderr.puts "dispatch: waiting for tracker to start..." if VERBOSE