From b9d99b5f4049531bcb9c255d78c088652c094b29 Mon Sep 17 00:00:00 2001
From: DrabWeb <sethunity@gmail.com>
Date: Tue, 15 May 2018 19:42:50 -0300
Subject: [PATCH] Fix nullref when exiting the last screen.

---
 osu.Game/Graphics/UserInterface/ScreenBreadcrumbControl.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/osu.Game/Graphics/UserInterface/ScreenBreadcrumbControl.cs b/osu.Game/Graphics/UserInterface/ScreenBreadcrumbControl.cs
index ba3927b771..adcf401546 100644
--- a/osu.Game/Graphics/UserInterface/ScreenBreadcrumbControl.cs
+++ b/osu.Game/Graphics/UserInterface/ScreenBreadcrumbControl.cs
@@ -27,6 +27,8 @@ namespace osu.Game.Graphics.UserInterface
 
         private void screenChanged(Screen newScreen)
         {
+            if (newScreen == null) return;
+
             if (last != null)
             {
                 last.Exited -= screenChanged;