Do not assign to undefined response

index.js

@@ -106,7 +106,9 @@ function asCallback(opts, cb) {
 function asPromise(opts) {
 	return new PinkiePromise(function (resolve, reject) {
 		asCallback(opts, function (err, data, response) {
-			response.body = data;
+			if (response) {
+				response.body = data;
+			}
 
 			if (err) {
 				err.response = response;

test/test-helpers.js

@@ -28,7 +28,7 @@ test('callback mode', function (t) {
 });
 
 test('promise mode', function (t) {
-	t.plan(2);
+	t.plan(3);
 
 	got.get(s.url)
 		.then(function (res) {
@@ -39,6 +39,11 @@ test('promise mode', function (t) {
 		.catch(function (err) {
 			t.equal(err.response.body, 'not found');
 		});
+
+	got.get('.com')
+		.catch(function (err) {
+			t.ok(err);
+		});
 });
 
 test('cleanup', function (t) {