From 0c8769e33508ce7b13db3ecfed3b2b3afa8579cc Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Fri, 11 Aug 2017 18:41:08 -0400
Subject: [PATCH] Just to be safe.

---
 Storage/Disk/Encodings/MFM.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Storage/Disk/Encodings/MFM.cpp b/Storage/Disk/Encodings/MFM.cpp
index a49f3f40b..aeb47404a 100644
--- a/Storage/Disk/Encodings/MFM.cpp
+++ b/Storage/Disk/Encodings/MFM.cpp
@@ -280,7 +280,7 @@ std::shared_ptr<Sector> Parser::get_sector(uint8_t head, uint8_t track, uint8_t
 		if(first_sector) {
 			while(1) {
 				std::shared_ptr<Sector> next_sector = get_next_sector();
-				if(next_sector->sector == first_sector->sector) break;
+				if(!next_sector || next_sector->sector == first_sector->sector) break;
 			}
 		}
 		decoded_tracks_.insert(track_index);