From 1c9182a2903e99f6f037d6e7b8539ab58ca2d39b Mon Sep 17 00:00:00 2001
From: alyosha-tas <alexei.f.k@gmail.com>
Date: Sun, 21 Apr 2019 09:06:16 -0400
Subject: [PATCH] Fix exception when statrting from saveram multple times

---
 BizHawk.Client.Common/movie/bk2/Bk2Movie.HeaderApi.cs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/BizHawk.Client.Common/movie/bk2/Bk2Movie.HeaderApi.cs b/BizHawk.Client.Common/movie/bk2/Bk2Movie.HeaderApi.cs
index e042e1bd39..41ca3d7015 100644
--- a/BizHawk.Client.Common/movie/bk2/Bk2Movie.HeaderApi.cs
+++ b/BizHawk.Client.Common/movie/bk2/Bk2Movie.HeaderApi.cs
@@ -93,11 +93,17 @@ namespace BizHawk.Client.Common
 			{
 				if (value)
 				{
-					Header.Add(HeaderKeys.STARTSFROMSAVERAM, "True");
+					if (!Header.ContainsKey(HeaderKeys.STARTSFROMSAVERAM))
+					{
+						Header.Add(HeaderKeys.STARTSFROMSAVERAM, "True");
+					}
 				}
 				else
 				{
-					Header.Remove(HeaderKeys.STARTSFROMSAVERAM);
+					if (Header.ContainsKey(HeaderKeys.STARTSFROMSAVERAM))
+					{
+						Header.Remove(HeaderKeys.STARTSFROMSAVERAM);
+					}
 				}
 			}
 		}