diff --git a/Adaptation/FileHandlers/OpenInsight/FileRead.cs b/Adaptation/FileHandlers/OpenInsight/FileRead.cs
index bbcc52c..2999e85 100644
--- a/Adaptation/FileHandlers/OpenInsight/FileRead.cs
+++ b/Adaptation/FileHandlers/OpenInsight/FileRead.cs
@@ -119,8 +119,8 @@ public class FileRead : Shared.FileRead, IFileRead
     internal static string GetLines(Logistics logistics, List<SECS.Description> descriptions)
     {
         StringBuilder results = new();
-        char del = '\t';
         SECS.Description x = descriptions[0];
+        char del = logistics.MesEntity == x.Reactor ? '\t' : '~';
         _ = results.Append(x.PSN).Append(del)
             .Append(x.Reactor).Append(del)
             .Append(logistics.MesEntity).Append(del)