diff --git a/lib/response.js b/lib/response.js
index 5d064cd..5cfc888 100644
--- a/lib/response.js
+++ b/lib/response.js
@@ -257,6 +257,7 @@ module.exports = {
     }
 
     // text
+    this.type = 'text/plain; charset=utf-8';
     this.body = 'Redirecting to ' + url + '.';
   },
 
diff --git a/test/response/redirect.js b/test/response/redirect.js
index f93489d..ca3d72b 100644
--- a/test/response/redirect.js
+++ b/test/response/redirect.js
@@ -91,6 +91,19 @@ describe('ctx.redirect(url)', function(){
       ctx.body.should.equal('Redirecting to ' + url + '.');
     })
   })
+
+  describe('when content-type was present', function(){
+    it('should overwrite content-type', function() {
+      var ctx = context();
+      ctx.body = {};
+      var url = 'http://google.com';
+      ctx.header.accept = 'text/plain';
+      ctx.redirect('http://google.com');
+      ctx.status.should.equal(302);
+      ctx.body.should.equal('Redirecting to ' + url + '.');
+      ctx.type.should.equal('text/plain');
+    })
+  })
 })
 
 function escape(html) {