diff --git a/lib/msf/core/exploit/http/server.rb b/lib/msf/core/exploit/http/server.rb
index eb0803df60..5a17c1c6ae 100644
--- a/lib/msf/core/exploit/http/server.rb
+++ b/lib/msf/core/exploit/http/server.rb
@@ -3,6 +3,7 @@ require 'rex/service_manager'
 require 'rex/exploitation/obfuscatejs'
 require 'rex/exploitation/encryptjs'
 require 'rex/exploitation/heaplib'
+require 'rex/exploitation/javascriptosdetect'
 
 module Msf