diff --git a/SequenceEditor/Program.cs b/SequenceEditor/Program.cs
index aed4c20707..a99f6479ee 100644
--- a/SequenceEditor/Program.cs
+++ b/SequenceEditor/Program.cs
@@ -74,7 +74,6 @@ namespace SequenceEditor
 			try
 			{
 				FileSystem.MountDefault( true );
-				FileSystem.MountTemporary(new Package("temperat.mix"));
 			}
 			catch( FileNotFoundException fnf )
 			{
@@ -82,6 +81,8 @@ namespace SequenceEditor
 					throw new InvalidOperationException( "Unable to load MIX files" );
 			}
 
+			FileSystem.MountTemporary(new Package("temperat.mix"));
+
 			XmlFilename = args.FirstOrDefault( x => x.EndsWith(".xml") ) ?? "sequences.xml";
 			Doc = new XmlDocument(); 
 			Doc.Load(XmlFilename);