From a424f53407fa17208fa80d1de5792edf3acf017a Mon Sep 17 00:00:00 2001
From: Matt Nadareski <mnadareski@outlook.com>
Date: Mon, 24 Aug 2020 10:18:31 -0700
Subject: [PATCH] Fix "Original" filter

---
 SabreTools.Library/DatItems/DatItem.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/SabreTools.Library/DatItems/DatItem.cs b/SabreTools.Library/DatItems/DatItem.cs
index edb03487..cdea54e8 100644
--- a/SabreTools.Library/DatItems/DatItem.cs
+++ b/SabreTools.Library/DatItems/DatItem.cs
@@ -634,9 +634,9 @@ namespace SabreTools.Library.DatItems
             #region OpenMSX
 
             // Filter on original
-            if (filter.Original.MatchesPositiveSet(Original.Content) == false)
+            if (filter.Original.MatchesPositiveSet(Original?.Content) == false)
                 return false;
-            if (filter.Original.MatchesNegativeSet(Original.Content) == true)
+            if (filter.Original.MatchesNegativeSet(Original?.Content) == true)
                 return false;
 
             // Filter on OpenMSX subtype