diff --git a/AsyncDisplayKit/ASNavigationController.m b/AsyncDisplayKit/ASNavigationController.m
index e67f15e742..79ae3f4232 100644
--- a/AsyncDisplayKit/ASNavigationController.m
+++ b/AsyncDisplayKit/ASNavigationController.m
@@ -39,7 +39,7 @@ ASVisibilityDepthImplementation;
 
 - (NSInteger)visibilityDepthOfChildViewController:(UIViewController *)childViewController
 {
-  NSUInteger viewControllerIndex = [self.viewControllers indexOfObject:childViewController];
+  NSUInteger viewControllerIndex = [self.viewControllers indexOfObjectIdenticalTo:childViewController];
   if (viewControllerIndex == NSNotFound) {
     //If childViewController is not actually a child, return NSNotFound which is also a really large number.
     return NSNotFound;
diff --git a/AsyncDisplayKit/ASTabBarController.m b/AsyncDisplayKit/ASTabBarController.m
index 5dd994e084..8a82ff11b1 100644
--- a/AsyncDisplayKit/ASTabBarController.m
+++ b/AsyncDisplayKit/ASTabBarController.m
@@ -39,7 +39,7 @@ ASVisibilityDepthImplementation;
 
 - (NSInteger)visibilityDepthOfChildViewController:(UIViewController *)childViewController
 {
-  NSUInteger viewControllerIndex = [self.viewControllers indexOfObject:childViewController];
+  NSUInteger viewControllerIndex = [self.viewControllers indexOfObjectIdenticalTo:childViewController];
   if (viewControllerIndex == NSNotFound) {
     //If childViewController is not actually a child, return NSNotFound which is also a really large number.
     return NSNotFound;