diff --git a/examples/demo-template/angular2-product-app/src/main/webapp/app/keycloak.http.ts b/examples/demo-template/angular2-product-app/src/main/webapp/app/keycloak.http.ts
index 40e2f63bb3..a7af71ae3c 100644
--- a/examples/demo-template/angular2-product-app/src/main/webapp/app/keycloak.http.ts
+++ b/examples/demo-template/angular2-product-app/src/main/webapp/app/keycloak.http.ts
@@ -51,7 +51,7 @@ export class KeycloakHttp extends Http {
         });
 
         return <Observable<Response>>Observable
-            .merge(tokenObservable, tokenUpdateObservable, requestObservable)
+            .merge(tokenObservable, tokenUpdateObservable, requestObservable, 1) // Insure no concurrency in the merged Observables
             .filter((response) => response instanceof Response);
     }