diff --git a/request.js b/request.js
index 826ed7f1b..8365ab62a 100644
--- a/request.js
+++ b/request.js
@@ -1429,6 +1429,10 @@ Request.prototype.multipart = function (multipart) {
     return chunked ? items.append(part) : items.push(new Buffer(part))
   }
 
+  if (chunked) {
+    self.setHeader('transfer-encoding', 'chunked')
+  }
+
   var headerName = self.hasHeader('content-type')
   if (!headerName || self.headers[headerName].indexOf('multipart') === -1) {
     self.setHeader('content-type', 'multipart/related; boundary=' + self.boundary)
diff --git a/tests/test-multipart.js b/tests/test-multipart.js
index bc1ab1438..ec18ef8ea 100644
--- a/tests/test-multipart.js
+++ b/tests/test-multipart.js
@@ -94,7 +94,7 @@ function runTest(t, a) {
     if (a.json) {
       reqOptions.json = true
     }
-    request.post(reqOptions, function (err, res, body) {
+    request[a.method](reqOptions, function (err, res, body) {
       t.equal(err, null)
       t.equal(res.statusCode, 200)
       t.deepEqual(body, a.json ? {status: 'done'} : 'done')
@@ -105,6 +105,7 @@ function runTest(t, a) {
   })
 }
 
+var methods = ['post', 'get']
 var cases = [
   {name: '-json +array',   args: {json: false, array: true}},
   {name: '-json -array',   args: {json: false, array: false}},
@@ -127,8 +128,11 @@ var cases = [
   {name: '+json +headers -chunked', args: {json: true, headers: true, array: false, chunked: false}}
 ]
 
-cases.forEach(function (test) {
-  tape('multipart related ' + test.name, function(t) {
-    runTest(t, test.args)
+methods.forEach(function(method) {
+  cases.forEach(function (test) {
+    tape('multipart related ' + method + ' ' + test.name, function(t) {
+      test.args.method = method
+      runTest(t, test.args)
+    })
   })
 })