diff --git a/index.js b/index.js
index 64d53cf..df44168 100644
--- a/index.js
+++ b/index.js
@@ -89,7 +89,13 @@ function mock(superagent) {
         try {
           var response = current(request);
           if (response.status !== 200) {
-            cb && cb(response, null);
+            // superagent puts status and response on the error it returns,
+            // which should be an actual instance of Error
+            // See http://visionmedia.github.io/superagent/#error-handling
+            var error = new Error(response.status);
+            error.status = response.status;
+            error.response = response;
+            cb && cb(error, null);
           } else {
             cb && cb(null, response);
           }
diff --git a/test.js b/test.js
index cdb4727..4c7f27f 100644
--- a/test.js
+++ b/test.js
@@ -208,6 +208,8 @@ describe('superagent mock', function() {
       request.get('/topics/1')
         .end(function(err, data) {
           err.should.have.property('status', 500);
+          err.should.have.property('response');
+          should.deepEqual(err.response, {body: {}, status: 500});
           done();
         });
     });