diff --git a/ENI2/Excel/ExcelSimpleWriter.cs b/ENI2/Excel/ExcelSimpleWriter.cs
index 0082c94e..e13f3a67 100644
--- a/ENI2/Excel/ExcelSimpleWriter.cs
+++ b/ENI2/Excel/ExcelSimpleWriter.cs
@@ -15,6 +15,8 @@ namespace ENI2.Excel
     {
         public static void WriteMaerskList(string filename, List<MaerskData> data)
         {
+            data.Sort();
+
             Application excelApp = new Application();
             excelApp.DisplayAlerts = false;
             excelApp.Visible = false;