diff --git a/SabreTools.Helper/Dats/Partials/DatFile.ConvertUpdate.cs b/SabreTools.Helper/Dats/Partials/DatFile.ConvertUpdate.cs
index d5e15249..b882d35e 100644
--- a/SabreTools.Helper/Dats/Partials/DatFile.ConvertUpdate.cs
+++ b/SabreTools.Helper/Dats/Partials/DatFile.ConvertUpdate.cs
@@ -492,9 +492,6 @@ namespace SabreTools.Helper.Dats
 		public void Update(List<string> inputFileNames, string outDir, bool clean, bool softlist, Filter filter,
 			bool trim, bool single, string root, int maxDegreeOfParallelism, Logger logger)
 		{
-			// Sort the input filenames
-			inputFileNames.Sort(new NaturalComparer());
-
 			Parallel.ForEach(inputFileNames,
 				new ParallelOptions { MaxDegreeOfParallelism = maxDegreeOfParallelism },
 				inputFileName =>
@@ -544,6 +541,7 @@ namespace SabreTools.Helper.Dats
 					else
 					{
 						logger.Error("I'm sorry but " + inputFileName + " doesn't exist!");
+						return;
 					}
 				});
 		}