diff --git a/packages/zone.js/rollup-es5.config.js b/packages/zone.js/rollup-es5.config.js
index 049523e5b0..b840d3f528 100644
--- a/packages/zone.js/rollup-es5.config.js
+++ b/packages/zone.js/rollup-es5.config.js
@@ -27,6 +27,23 @@ module.exports = {
     }),
     commonjs(),
   ],
-  external: ['electron'],
-  output: {globals: {electron: 'electron'}, banner},
+  external: id => {
+    if (/build-esm/.test(id)) {
+      return false;
+    }
+    return /rxjs/.test(id) || /electron/.test(id);
+  },
+  output: {
+    globals: {
+      electron: 'electron',
+      'rxjs/Observable': 'Rx',
+      'rxjs/Subscriber': 'Rx',
+      'rxjs/Subscription': 'Rx',
+      'rxjs/Scheduler': 'Rx.Scheduler',
+      'rxjs/scheduler/asap': 'Rx.Scheduler',
+      'rxjs/scheduler/async': 'Rx.Scheduler',
+      'rxjs/symbol/rxSubscriber': 'Rx.Symbol'
+    },
+    banner
+  },
 }
diff --git a/packages/zone.js/test/npm_package/npm_package.spec.ts b/packages/zone.js/test/npm_package/npm_package.spec.ts
index c42c5b3377..3fa788670e 100644
--- a/packages/zone.js/test/npm_package/npm_package.spec.ts
+++ b/packages/zone.js/test/npm_package/npm_package.spec.ts
@@ -53,6 +53,13 @@ describe('Zone.js npm_package', () => {
          () => { expect(shx.cat('zone_externs.js')).toContain('Externs for zone.js'); });
     });
 
+    describe('rxjs patch', () => {
+      it('should not contain rxjs source', () => {
+        expect(shx.cat('zone-patch-rxjs.js'))
+            .not.toContain('_enable_super_gross_mode_that_will_cause_bad_things');
+      });
+    });
+
     describe('es5', () => {
       it('zone.js(es5) should not contain es6 spread code',
          () => { expect(shx.cat('zone.js')).not.toContain('let value of values'); });