diff --git a/config/initializers/mongrel_workaround.rb b/config/initializers/mongrel_workaround.rb
index fcf11e71..b2e685d3 100644
--- a/config/initializers/mongrel_workaround.rb
+++ b/config/initializers/mongrel_workaround.rb
@@ -1,6 +1,6 @@
 # adapted from https://gist.github.com/471663 and https://rails.lighthouseapp.com/projects/8994/tickets/4690-mongrel-doesnt-work-with-rails-238
 
-if Rails.version == '2.3.11' && Gem.available?('mongrel', '~>1.1.5') && self.class.const_defined?(:Mongrel)
+if Rails.version == '2.3.12' && Gem.available?('mongrel', '~>1.1.5') && self.class.const_defined?(:Mongrel)
 
   # Pulled right from latest rack. Old looked like this in 1.1.0 version.
   #
@@ -89,4 +89,4 @@ if Rails.version == '2.3.11' && Gem.available?('mongrel', '~>1.1.5') && self.cla
       end
     end
   end
-end
\ No newline at end of file
+end