diff --git a/actionpack/CHANGELOG b/actionpack/CHANGELOG
index 89c834dd47f16ad0d47f942ba1383750b6a7f996..d31e2f15fea938e2621a2f2e8b83e7167b3700cf 100644
--- a/actionpack/CHANGELOG
+++ b/actionpack/CHANGELOG
@@ -1,5 +1,7 @@
 *SVN*
 
+* Fixed CgiRequest#out to fall back to #write if $stdout doesn't have #syswrite [bitsweat]
+
 * Fixed all helpers so that they use XHTML compliant double quotes for values instead of single quotes [htonl/bitsweat]
 
 * Added link_to_image(src, options = {}, html_options = {}, *parameters_for_method_reference). Documentation:
diff --git a/actionpack/lib/action_controller/base.rb b/actionpack/lib/action_controller/base.rb
index e0c3fb01bf1efcb239086c3cf759b56274f9127d..a7271e9c91a5a1c908b02dec23499bfc9b7c520e 100755
--- a/actionpack/lib/action_controller/base.rb
+++ b/actionpack/lib/action_controller/base.rb
@@ -441,11 +441,17 @@ def send_file(path, options = {})
             logger.info "Streaming file #{path}" unless logger.nil?
             len = options[:buffer_size] || 4096
             File.open(path, 'rb') do |file|
-              begin
-                while true
-                  $stdout.syswrite file.sysread(len)
+              if $stdout.respond_to?(:syswrite)
+                begin
+                  while true
+                    $stdout.syswrite file.sysread(len)
+                  end
+                rescue EOFError
+                end
+              else
+                while buf = file.read(len)
+                  $stdout.write buf
                 end
-              rescue EOFError
               end
             end
           end