From 022e87c4bb4a04555f7b41a65f3238eb9e3644db Mon Sep 17 00:00:00 2001
From: Matt Nadareski <mnadareski@outlook.com>
Date: Thu, 20 Oct 2022 13:03:07 -0700
Subject: [PATCH] Fix NRE with offsets

---
 CHANGELIST.md           | 1 +
 MPF.Library/InfoTool.cs | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELIST.md b/CHANGELIST.md
index 95b2d3ca..0d78d236 100644
--- a/CHANGELIST.md
+++ b/CHANGELIST.md
@@ -168,6 +168,7 @@
 - Add logging to !submissionInfo writing failure
 - Add logging to !submissionInfo formatting failure
 - Update issue templates to be more accurate
+- Fix NRE with offsets
 
 ### 2.3 (2022-02-05)
 - Start overhauling Redump information pulling, again
diff --git a/MPF.Library/InfoTool.cs b/MPF.Library/InfoTool.cs
index 2b41f147..1581b59f 100644
--- a/MPF.Library/InfoTool.cs
+++ b/MPF.Library/InfoTool.cs
@@ -820,7 +820,7 @@ namespace MPF.Library
                     AddIfExists(output, Template.DATField, info.TracksAndWriteOffsets.ClrMameProData + "\n", 1);
                     AddIfExists(output, Template.CuesheetField, info.TracksAndWriteOffsets.Cuesheet, 1);
                     string offset = info.TracksAndWriteOffsets.OtherWriteOffsets;
-                    if (!offset.StartsWith("-"))
+                    if (offset?.StartsWith("-") == false)
                         offset = $"+{offset}";
 
                     AddIfExists(output, Template.WriteOffsetField, offset, 1);