diff --git a/actionpack/CHANGELOG b/actionpack/CHANGELOG
index 0c65d1041b..f4170fc84f 100644
--- a/actionpack/CHANGELOG
+++ b/actionpack/CHANGELOG
@@ -1,5 +1,7 @@
 *SVN*
 
+* Added class declaration for the MissingFile exception #388 [Kent Sibilev]
+
 * Added "short hypertext note with a hyperlink to the new URI(s)" to redirects to fulfill compliance with RFC 2616 (HTTP/1.1) section 10.3.3 #397 [Tim Bates]
 
 * Added second boolean parameter to Base.redirect_to_url and Response#redirect to control whether the redirect is permanent or not (301 vs 302) #375 [Hodel]
diff --git a/actionpack/lib/action_controller/base.rb b/actionpack/lib/action_controller/base.rb
index 6d9278266d..c061b895d3 100755
--- a/actionpack/lib/action_controller/base.rb
+++ b/actionpack/lib/action_controller/base.rb
@@ -14,6 +14,8 @@ module ActionController #:nodoc:
   end
   class UnknownAction < ActionControllerError #:nodoc:
   end
+  class MissingFile < ActionControllerError #:nodoc:
+  end
 
   # Action Controllers are made up of one or more actions that performs its purpose and then either renders a template or
   # redirects to another action. An action is defined as a public method on the controller, which will automatically be 
@@ -432,7 +434,7 @@ module ActionController #:nodoc:
       # http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9
       # for the Cache-Control header spec.
       def send_file(path, options = {}) #:doc:
-        raise MissingFile unless File.file?(path) and File.readable?(path)
+        raise MissingFile, path unless File.file?(path) and File.readable?(path)
 
         options[:length]   ||= File.size(path)
         options[:filename] ||= File.basename(path)