From 72d7b57abb02abbffa99cd9905150640a8a8ef9e Mon Sep 17 00:00:00 2001
From: Garrett Moon <garrett@pinterest.com>
Date: Thu, 12 May 2016 14:44:54 -0700
Subject: [PATCH] Don't add zero for readability

---
 AsyncDisplayKit/ASNavigationController.m | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/AsyncDisplayKit/ASNavigationController.m b/AsyncDisplayKit/ASNavigationController.m
index 6b0c3b140b..a246aa33d4 100644
--- a/AsyncDisplayKit/ASNavigationController.m
+++ b/AsyncDisplayKit/ASNavigationController.m
@@ -39,8 +39,8 @@ ASVisibilityDepthImplementation;
   NSAssert(viewControllerIndex != NSNotFound, @"childViewController is not in the navigation stack.");
   
   if (viewControllerIndex == self.viewControllers.count - 1) {
-    //view controller is at the top
-    return [self visibilityDepth] + 0;
+    //view controller is at the top, just return our own visibility depth.
+    return [self visibilityDepth];
   } else if (viewControllerIndex == 0) {
     //view controller is the root view controller. Can be accessed by holding the back button.
     return [self visibilityDepth] + 1;