diff --git a/lib/rack-emstream.rb b/lib/rack-emstream.rb
index 80195b6..50111cd 100644
--- a/lib/rack-emstream.rb
+++ b/lib/rack-emstream.rb
@@ -19,6 +19,8 @@ module Rack
     def _call(env)
       result = @app.call(env)
 
+      result[2].close if result[2].respond_to?(:close)
+
       EM.next_tick {
         env['async.callback'].call [ result[0], result[1], self ]
 
diff --git a/lib/rack-emstream/version.rb b/lib/rack-emstream/version.rb
index 3e6a9d2..30b5ed9 100644
--- a/lib/rack-emstream/version.rb
+++ b/lib/rack-emstream/version.rb
@@ -1,5 +1,5 @@
 module Rack
   class EMStream
-    VERSION = "0.1.1"
+    VERSION = "0.1.3"
   end
 end