diff --git a/BizHawk.MultiClient/ConfigService.cs b/BizHawk.MultiClient/ConfigService.cs
index 86956dcd05..bdf9f850ef 100644
--- a/BizHawk.MultiClient/ConfigService.cs
+++ b/BizHawk.MultiClient/ConfigService.cs
@@ -18,7 +18,7 @@ namespace BizHawk.MultiClient
 				if (file.Exists)
 					using (var reader = file.OpenText())
 					{
-						var s = new JsonSerializer {SuppressMissingMemberException = true};
+						var s = new JsonSerializer {SuppressMissingMemberException = true, SuppressDuplicateMemberException = true};
 						var r = new JsonReader(reader);
 						config = (T)s.Deserialize(r, typeof(T));
 					}
diff --git a/Json.net.1.3.1.modified-source.rar b/Json.net.1.3.1.modified-source.rar
index 824ed1dec4..2d4d91e2f8 100644
Binary files a/Json.net.1.3.1.modified-source.rar and b/Json.net.1.3.1.modified-source.rar differ
diff --git a/Newtonsoft.Json.dll b/Newtonsoft.Json.dll
index 0c3218e0e8..0985c864f6 100644
Binary files a/Newtonsoft.Json.dll and b/Newtonsoft.Json.dll differ