diff --git a/tools/mkbightml.rb b/tools/mkbightml.rb
index 3a1db8d..20d1012 100644
--- a/tools/mkbightml.rb
+++ b/tools/mkbightml.rb
@@ -1,5 +1,5 @@
 # mkbightml.rb
-require 'BlueCloth'
+require "C:/ruby/lib/ruby/gems/1.8/gems/BlueCloth-1.0.0/lib/bluecloth"
 
 big_mdown = IO.read('../README.md') + "\n\n"
 head = IO.read('./head.erb')
diff --git a/tools/mkhtml.rb b/tools/mkhtml.rb
index b289eee..3a3beaa 100644
--- a/tools/mkhtml.rb
+++ b/tools/mkhtml.rb
@@ -1,5 +1,5 @@
 # mkhtml.rb
-require 'BlueCloth'
+require "C:/ruby/lib/ruby/gems/1.8/gems/BlueCloth-1.0.0/lib/bluecloth"
  
 #load style
  
diff --git a/tools/mkhtml_heroku.rb b/tools/mkhtml_heroku.rb
index e3fbf8b..11c4568 100644
--- a/tools/mkhtml_heroku.rb
+++ b/tools/mkhtml_heroku.rb
@@ -1,5 +1,5 @@
 # mkhtml.rb
-require 'BlueCloth'
+require "C:/ruby/lib/ruby/gems/1.8/gems/BlueCloth-1.0.0/lib/bluecloth"
  
 #load style