From fd4cce4ce1ee5164403f8b11f7affcb7de74aed4 Mon Sep 17 00:00:00 2001
From: George Fleming <v-geflem@microsoft.com>
Date: Thu, 12 Nov 2015 13:20:25 -0800
Subject: [PATCH] Fix Exit-PSHostProcess cmdlet crash issue

---
 src/host/main.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/host/main.cs b/src/host/main.cs
index 98f0477aef..3178749161 100644
--- a/src/host/main.cs
+++ b/src/host/main.cs
@@ -417,7 +417,7 @@ namespace Microsoft.Samples.PowerShell.Host
 
             // Read commands and run them until the ShouldExit flag is set by
             // the user calling "exit".
-            while (!this.ShouldExit)
+            while (!this.ShouldExit && this.myHost.Runspace != null)
             {
                 string prompt = Prompt(this.myHost.Runspace);