From c1c032a345e7dd1a55dfab0b0b1881a32b2da70a Mon Sep 17 00:00:00 2001
From: alyosha-tas <alexei.f.k@gmail.com>
Date: Sat, 29 May 2021 17:53:53 -0400
Subject: [PATCH] Trace Logger: filter out null cases

---
 src/BizHawk.Client.EmuHawk/tools/TraceLogger.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/BizHawk.Client.EmuHawk/tools/TraceLogger.cs b/src/BizHawk.Client.EmuHawk/tools/TraceLogger.cs
index 618df9e4a9..1f72c60743 100644
--- a/src/BizHawk.Client.EmuHawk/tools/TraceLogger.cs
+++ b/src/BizHawk.Client.EmuHawk/tools/TraceLogger.cs
@@ -45,7 +45,8 @@ namespace BizHawk.Client.EmuHawk
 			set
 			{
 				_logFile = value;
-				_baseName = Path.ChangeExtension(value.FullName, null);
+				if (value != null) { _baseName = Path.ChangeExtension(value.FullName, null); }
+				else { _baseName = null; }
 			}
 		}