diff --git a/SabreTools.Helper/Dats/Partials/DatFile.Manipulate.cs b/SabreTools.Helper/Dats/Partials/DatFile.Manipulate.cs
index 6e1e5975..4283e942 100644
--- a/SabreTools.Helper/Dats/Partials/DatFile.Manipulate.cs
+++ b/SabreTools.Helper/Dats/Partials/DatFile.Manipulate.cs
@@ -116,6 +116,12 @@ namespace SabreTools.Helper.Dats
 									break;
 							}
 
+							// Double and triple check the key
+							if (newkey == null)
+							{
+								newkey = "";
+							}
+
 							// Add the DatItem to the temp dictionary
 							lock (sortable)
 							{