From 3a22105375d8dcea52cd891a7a22627a4acaad43 Mon Sep 17 00:00:00 2001
From: Manu MA <manu.mtza@gmail.com>
Date: Tue, 6 Aug 2019 13:39:01 +0200
Subject: [PATCH] fix(platform): subscribeWithPriority trigger change detection
 (#18962)

fixes #18959
---
 angular/src/providers/platform.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/angular/src/providers/platform.ts b/angular/src/providers/platform.ts
index 5ab530403a..8071b3412c 100644
--- a/angular/src/providers/platform.ts
+++ b/angular/src/providers/platform.ts
@@ -46,9 +46,9 @@ export class Platform {
     zone.run(() => {
       this.win = doc.defaultView;
       this.backButton.subscribeWithPriority = function(priority, callback) {
-        return this.subscribe(ev => {
-          ev.register(priority, callback);
-        });
+        return this.subscribe(ev => (
+          ev.register(priority, () => zone.run(callback))
+        ));
       };
 
       proxyEvent(this.pause, doc, 'pause');