diff --git a/index.js b/index.js
index eaf7036c..8589713a 100644
--- a/index.js
+++ b/index.js
@@ -196,12 +196,15 @@ function session(options){
         return false;
       }
 
+      var _finished = res.finished;
+      res.finished = true;
       ended = true;
 
       var ret;
       var sync = true;
 
       function writeend() {
+        res.finished = _finished;
         if (sync) {
           ret = _end.call(res, chunk, encoding);
           sync = false;
@@ -262,6 +265,8 @@ function session(options){
       // no session to save
       if (!req.session) {
         debug('no session');
+
+        res.finished = _finished;
         return _end.call(res, chunk, encoding);
       }
 
@@ -280,6 +285,7 @@ function session(options){
         return writetop();
       }
 
+      res.finished = _finished;
       return _end.call(res, chunk, encoding);
     };
 
diff --git a/test/session.js b/test/session.js
index 704b8de2..df3431c5 100644
--- a/test/session.js
+++ b/test/session.js
@@ -1,4 +1,3 @@
-
 process.env.NO_DEPRECATION = 'express-session';
 
 var after = require('after')
@@ -349,6 +348,25 @@ describe('session()', function(){
         done()
       })
     })
+
+    it('should finish response', function(done) {
+      var finished = false;
+      var store = new session.MemoryStore()
+      var server = createServer({ store: store }, function (req, res) {
+        req.session.hit = true
+        res.write('hello, ')
+        res.end('world')
+        finished = res.finished
+      })
+
+      request(server)
+      .get('/')
+      .expect(200, 'hello, world', function(err) {
+        if (err) return done(err)
+        finished.should.be.true
+        done()
+      })
+    })
   })
 
   describe('when sid not in store', function () {