diff --git a/src/auth/auth.ts b/src/auth/auth.ts
index 3c1e629ab..3e6e2c45e 100644
--- a/src/auth/auth.ts
+++ b/src/auth/auth.ts
@@ -48,7 +48,7 @@ export class AngularFireAuth {
     });
 
     this.authState = new Observable<User | null>(subscriber => {
-      return zone.runOutsideAngular(() => this.auth.onIdTokenChanged(subscriber));
+      return zone.runOutsideAngular(() => this.auth.onAuthStateChanged(subscriber));
     }).pipe(keepUnstableUntilFirst);;
 
     this.user = new Observable<User | null>(subscriber => {