diff --git a/packages/formatjs/packages/intl-messageformat/package.json b/packages/formatjs/packages/intl-messageformat/package.json
index 7e6f6fcaee..75e08a56d0 100644
--- a/packages/formatjs/packages/intl-messageformat/package.json
+++ b/packages/formatjs/packages/intl-messageformat/package.json
@@ -15,9 +15,10 @@
   ],
   "author": "Eric Ferraiuolo <eferraiuolo@gmail.com>",
   "contributors": [
-    "Drew Folta <drew@folta.net>",
+    "Anthony Pipkin <a.pipkin@yahoo.com>",
     "Caridy Patino <caridy@gmail.com>",
-    "Anthony Pipkin <a.pipkin@yahoo.com>"
+    "Drew Folta <drew@folta.net>",
+    "Long Ho <holevietlong@gmail.com"
   ],
   "bugs": {
     "url": "https://github.com/formatjs/intl-messageformat/issues"
diff --git a/packages/formatjs/packages/intl-messageformat/src/en.js b/packages/formatjs/packages/intl-messageformat/src/en.js
index 04f96796a1..adaee67dc2 100644
--- a/packages/formatjs/packages/intl-messageformat/src/en.js
+++ b/packages/formatjs/packages/intl-messageformat/src/en.js
@@ -1,2 +1,2 @@
 // GENERATED FILE
-export default {"locale":"en"};
+export default { locale: "en" };
diff --git a/packages/formatjs/packages/intl-messageformat/tests/index.js b/packages/formatjs/packages/intl-messageformat/tests/index.js
index 69f4e35a77..69b3d552cd 100644
--- a/packages/formatjs/packages/intl-messageformat/tests/index.js
+++ b/packages/formatjs/packages/intl-messageformat/tests/index.js
@@ -447,4 +447,24 @@ describe("IntlMessageFormat", function() {
       expect(ptMZ.format({ num: 100 })).to.equal("other");
     });
   });
+
+  it("custom formats should work", function() {
+    var msg = "Today is {time, date, verbose}";
+    var mf = new IntlMessageFormat(msg, "pt", {
+      date: {
+        verbose: {
+          month: "long",
+          day: "numeric",
+          year: "numeric",
+          hour: "numeric",
+          minute: "numeric",
+          second: "numeric",
+          timeZoneName: "short"
+        }
+      }
+    });
+    expect(mf.format({ time: 0 })).to.contain(
+      "Today is 31 de dezembro de 1969 19:00:00"
+    );
+  });
 });
diff --git a/packages/formatjs/packages/intl-messageformat/tests/runner.js b/packages/formatjs/packages/intl-messageformat/tests/runner.js
index 4b3026b5f8..a9d9f78039 100644
--- a/packages/formatjs/packages/intl-messageformat/tests/runner.js
+++ b/packages/formatjs/packages/intl-messageformat/tests/runner.js
@@ -2,7 +2,7 @@ if (typeof Intl === "undefined") {
   require("intl");
 }
 
-require('intl-pluralrules')
+require("intl-pluralrules");
 
 global.expect = require("expect.js");
 global.IntlMessageFormat = require("../");