From a712ec67566771f401145539117f54cd460df26a Mon Sep 17 00:00:00 2001
From: Joonas Rikkonen <poe.regalis@gmail.com>
Date: Fri, 20 Jul 2018 09:53:31 +0300
Subject: [PATCH] Fixed null reference exception when trying to dispose a sub
 with no preview image. Closes #503

---
 Barotrauma/BarotraumaShared/Source/Map/Submarine.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Barotrauma/BarotraumaShared/Source/Map/Submarine.cs b/Barotrauma/BarotraumaShared/Source/Map/Submarine.cs
index d291304b5..0568cfcd4 100644
--- a/Barotrauma/BarotraumaShared/Source/Map/Submarine.cs
+++ b/Barotrauma/BarotraumaShared/Source/Map/Submarine.cs
@@ -1312,7 +1312,7 @@ namespace Barotrauma
         {
             savedSubmarines.Remove(this);
 #if CLIENT
-            PreviewImage.Remove();
+            PreviewImage?.Remove();
             PreviewImage = null;
 #endif
         }