diff --git a/CHANGELOG.md b/CHANGELOG.md
index 45f57a887..734594874 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+<a name="0.8.3"></a>
+## [0.8.3](https://github.com/angular/zone.js/compare/v0.8.1...0.8.3) (2017-03-15)
+
+
+### Bug Fixes
+
+* **zone:** consistent access to __symbol__ to work with closure ([f742394](https://github.com/angular/zone.js/commit/f742394))
+
+
 <a name="0.8.2"></a>
 ## [0.8.2](https://github.com/angular/zone.js/compare/v0.8.1...0.8.2) (2017-03-14)
 
diff --git a/dist/fake-async-test.js b/dist/fake-async-test.js
index 1cbe25e93..4f5e095a0 100644
--- a/dist/fake-async-test.js
+++ b/dist/fake-async-test.js
@@ -82,7 +82,7 @@
             this._scheduler = new Scheduler();
             this._microtasks = [];
             this._lastError = null;
-            this._uncaughtPromiseErrors = Promise[Zone['__symbol__']('uncaughtPromiseErrors')];
+            this._uncaughtPromiseErrors = Promise[Zone.__symbol__('uncaughtPromiseErrors')];
             this.pendingPeriodicTimers = [];
             this.pendingTimers = [];
             this.properties = { 'FakeAsyncTestZoneSpec': this };
diff --git a/dist/long-stack-trace-zone.js b/dist/long-stack-trace-zone.js
index f6d59a203..a55f06acc 100644
--- a/dist/long-stack-trace-zone.js
+++ b/dist/long-stack-trace-zone.js
@@ -87,7 +87,7 @@ Zone['longStackTraceZoneSpec'] = {
         if (!error) {
             return undefined;
         }
-        var task = error[Zone['__symbol__']('currentTask')];
+        var task = error[Zone.__symbol__('currentTask')];
         var trace = task && task.data && task.data[creationTrace];
         if (!trace) {
             return error.stack;
diff --git a/dist/webapis-media-query.js b/dist/webapis-media-query.js
index 69e0f9f3e..7ff44947d 100644
--- a/dist/webapis-media-query.js
+++ b/dist/webapis-media-query.js
@@ -25,7 +25,7 @@
         if (!_global['MediaQueryList']) {
             return;
         }
-        var patchEventTargetMethods = Zone[Zone['__symbol__']('patchEventTargetMethods')];
+        var patchEventTargetMethods = Zone[Zone.__symbol__('patchEventTargetMethods')];
         patchEventTargetMethods(_global['MediaQueryList'].prototype, 'addListener', 'removeListener', function (self, args) {
             return {
                 useCapturing: false,
diff --git a/dist/webapis-notification.js b/dist/webapis-notification.js
index ea6ea4205..1d22bdb1f 100644
--- a/dist/webapis-notification.js
+++ b/dist/webapis-notification.js
@@ -30,7 +30,7 @@
         if (!desc || !desc.configurable) {
             return;
         }
-        var patchOnProperties = Zone[Zone['__symbol__']('patchOnProperties')];
+        var patchOnProperties = Zone[Zone.__symbol__('patchOnProperties')];
         patchOnProperties(Notification.prototype, null);
     }
 })(typeof window === 'object' && window || typeof self === 'object' && self || global);
diff --git a/dist/zone-bluebird.js b/dist/zone-bluebird.js
index d9b240f7c..60c128344 100644
--- a/dist/zone-bluebird.js
+++ b/dist/zone-bluebird.js
@@ -19,7 +19,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 (function (_global) {
-    var __symbol__ = Zone['__symbol__'];
+    var __symbol__ = Zone.__symbol__;
     // TODO: @JiaLiPassion, we can automatically patch bluebird
     // if global.Promise = Bluebird, but sometimes in nodejs,
     // global.Promise is not Bluebird, and Bluebird is just be
diff --git a/package.json b/package.json
index 6d27067ca..401ce8791 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "zone.js",
-  "version": "0.8.2",
+  "version": "0.8.3",
   "description": "Zones for JavaScript",
   "main": "dist/zone-node.js",
   "browser": "dist/zone.js",