diff --git a/bin/request-log-analyzer-munin b/bin/request-log-analyzer-munin
index c30718f..b03616a 100755
--- a/bin/request-log-analyzer-munin
+++ b/bin/request-log-analyzer-munin
@@ -1,4 +1,5 @@
-#!/usr/bin/env ruby
+#!/bin/env ruby
+# encoding: utf-8
 
 $:.unshift(File.expand_path('../lib', File.dirname(__FILE__)))
 
diff --git a/lib/munin/plugins/passenger_memory_stats.rb b/lib/munin/plugins/passenger_memory_stats.rb
index 425f960..cfd12c4 100755
--- a/lib/munin/plugins/passenger_memory_stats.rb
+++ b/lib/munin/plugins/passenger_memory_stats.rb
@@ -1,3 +1,5 @@
+#!/bin/env ruby
+# encoding: utf-8
 module Munin
   class PassengerMemoryStats < RequestLogAnalyzerPlugin    
     def ensure_configuration
diff --git a/lib/munin/plugins/passenger_queue.rb b/lib/munin/plugins/passenger_queue.rb
index 8b59320..8cb8d8c 100755
--- a/lib/munin/plugins/passenger_queue.rb
+++ b/lib/munin/plugins/passenger_queue.rb
@@ -1,3 +1,5 @@
+#!/bin/env ruby
+# encoding: utf-8
 module Munin
   class PassengerQueue < RequestLogAnalyzerPlugin
     def ensure_configuration
diff --git a/lib/munin/plugins/passenger_status.rb b/lib/munin/plugins/passenger_status.rb
index 7e47488..676a463 100755
--- a/lib/munin/plugins/passenger_status.rb
+++ b/lib/munin/plugins/passenger_status.rb
@@ -1,3 +1,5 @@
+#!/bin/env ruby
+# encoding: utf-8
 module Munin
   class PassengerStatus < RequestLogAnalyzerPlugin
     def ensure_configuration
diff --git a/lib/munin/plugins/rails_database_time.rb b/lib/munin/plugins/rails_database_time.rb
index cd4f450..19eeeaa 100755
--- a/lib/munin/plugins/rails_database_time.rb
+++ b/lib/munin/plugins/rails_database_time.rb
@@ -1,3 +1,5 @@
+#!/bin/env ruby
+# encoding: utf-8
 module Munin
   class RailsDatabaseTime < RailsPlugin
     def config
diff --git a/lib/munin/plugins/rails_request_duration.rb b/lib/munin/plugins/rails_request_duration.rb
index fb3ac65..e5b7fbe 100755
--- a/lib/munin/plugins/rails_request_duration.rb
+++ b/lib/munin/plugins/rails_request_duration.rb
@@ -1,3 +1,5 @@
+#!/bin/env ruby
+# encoding: utf-8
 module Munin
   class RailsRequestDuration < RailsPlugin
     def config
diff --git a/lib/munin/plugins/rails_request_error.rb b/lib/munin/plugins/rails_request_error.rb
index f8c64a6..50e9c5d 100755
--- a/lib/munin/plugins/rails_request_error.rb
+++ b/lib/munin/plugins/rails_request_error.rb
@@ -1,3 +1,5 @@
+#!/bin/env ruby
+# encoding: utf-8
 module Munin
   class RailsRequestError < RailsPlugin
     def config
diff --git a/lib/munin/plugins/rails_requests.rb b/lib/munin/plugins/rails_requests.rb
index 62d99f0..4597c7d 100755
--- a/lib/munin/plugins/rails_requests.rb
+++ b/lib/munin/plugins/rails_requests.rb
@@ -1,3 +1,5 @@
+#!/bin/env ruby
+# encoding: utf-8
 module Munin
   class RailsRequests < RailsPlugin
     def config
diff --git a/lib/munin/plugins/rails_view_render_time.rb b/lib/munin/plugins/rails_view_render_time.rb
index d4024c1..d9c4322 100755
--- a/lib/munin/plugins/rails_view_render_time.rb
+++ b/lib/munin/plugins/rails_view_render_time.rb
@@ -1,3 +1,5 @@
+#!/bin/env ruby
+# encoding: utf-8
 module Munin
   class RailsViewRenderTime < RailsPlugin
     def config
diff --git a/lib/munin/rails_plugin.rb b/lib/munin/rails_plugin.rb
index 871bdcf..23dfb18 100644
--- a/lib/munin/rails_plugin.rb
+++ b/lib/munin/rails_plugin.rb
@@ -1,3 +1,5 @@
+#!/bin/env ruby
+# encoding: utf-8
 module Munin
   class RailsPlugin < RequestLogAnalyzerPlugin
 
diff --git a/lib/munin/request_log_analyzer_plugin.rb b/lib/munin/request_log_analyzer_plugin.rb
index c9db201..37ad574 100644
--- a/lib/munin/request_log_analyzer_plugin.rb
+++ b/lib/munin/request_log_analyzer_plugin.rb
@@ -1,3 +1,5 @@
+#!/bin/env ruby
+# encoding: utf-8
 module Munin
   class RequestLogAnalyzerPlugin
     attr_accessor :graph_category