diff --git a/generators/app/index.js b/generators/app/index.js
index <HASH>..<HASH> 100644
--- a/generators/app/index.js
+++ b/generators/app/index.js
@@ -37,7 +37,7 @@ module.exports = fountain.Base.extend({
           'angular2': '^2.0.0-beta.0',
           'es6-promise': '^3.0.2',
           'reflect-metadata': '^0.1.2',
-          'rxjs': '^5.0.0-beta.0',
+          'rxjs': '5.0.0-beta.4', // https://github.com/ReactiveX/rxjs/issues/1584
           'zone.js': '^0.5.10'
         }
       });
Fix version of rxjs to fix rxjs issue