diff --git a/lib/common/timers.ts b/lib/common/timers.ts
index d82f239d7..5f8d9aa1e 100644
--- a/lib/common/timers.ts
+++ b/lib/common/timers.ts
@@ -39,6 +39,12 @@ export function patchTimer(window: any, setName: string, cancelName: string, nam
       try {
         task.invoke.apply(this, arguments);
       } finally {
+        if (task.data && task.data.isPeriodic) {
+          // issue-934, task will be cancelled
+          // even it is a periodic task such as
+          // setInterval
+          return;
+        }
         if (typeof data.handleId === NUMBER) {
           // in non-nodejs env, we remove timerId
           // from local cache
diff --git a/package.json b/package.json
index 160e0c088..ad30355fb 100644
--- a/package.json
+++ b/package.json
@@ -87,7 +87,7 @@
     "phantomjs": "^2.1.7",
     "promises-aplus-tests": "^2.1.2",
     "pump": "^1.0.1",
-    "rxjs": "^5.4.2",
+    "rxjs": "^5.5.3",
     "selenium-webdriver": "^3.4.0",
     "systemjs": "^0.19.37",
     "ts-loader": "^0.6.0",
diff --git a/test/browser/requestAnimationFrame.spec.ts b/test/browser/requestAnimationFrame.spec.ts
index f25420d20..63a12540b 100644
--- a/test/browser/requestAnimationFrame.spec.ts
+++ b/test/browser/requestAnimationFrame.spec.ts
@@ -26,7 +26,7 @@ describe('requestAnimationFrame', function() {
 
                it('should bind to same zone when called recursively', function(done) {
                  const originalTimeout: number = (<any>jasmine).DEFAULT_TIMEOUT_INTERVAL;
-                 (<any>jasmine).DEFAULT_TIMEOUT_INTERVAL = 5000;
+                 (<any>jasmine).DEFAULT_TIMEOUT_INTERVAL = 10000;
                  Zone.current.fork({name: 'TestZone'}).run(() => {
                    let frames = 0;
                    let previousTimeStamp = 0;
diff --git a/test/common/setInterval.spec.ts b/test/common/setInterval.spec.ts
index d62376b1a..42aaac7b0 100644
--- a/test/common/setInterval.spec.ts
+++ b/test/common/setInterval.spec.ts
@@ -60,4 +60,31 @@ describe('setInterval', function() {
     }, null, null, 'unit-test');
   });
 
+  it('should not cancel the task after invoke the setInterval callback', (done) => {
+    const logs: HasTaskState[] = [];
+    const zone = Zone.current.fork({
+      name: 'interval',
+      onHasTask:
+          (delegate: ZoneDelegate, currentZone: Zone, targetZone: Zone, hasTask: HasTaskState) => {
+            logs.push(hasTask);
+            return delegate.hasTask(targetZone, hasTask);
+          }
+    });
+
+    zone.run(() => {
+      const timerId = setInterval(() => {}, 100);
+      (global as any)[Zone.__symbol__('setTimeout')](() => {
+        expect(logs.length > 0).toBeTruthy();
+        expect(logs).toEqual(
+            [{microTask: false, macroTask: true, eventTask: false, change: 'macroTask'}]);
+        clearInterval(timerId);
+        expect(logs).toEqual([
+          {microTask: false, macroTask: true, eventTask: false, change: 'macroTask'},
+          {microTask: false, macroTask: false, eventTask: false, change: 'macroTask'}
+        ]);
+        done();
+      }, 300);
+    });
+  });
+
 });