diff --git a/SabreTools.Library/DatFiles/DatFile.cs b/SabreTools.Library/DatFiles/DatFile.cs
index a537fb44..df6afc55 100644
--- a/SabreTools.Library/DatFiles/DatFile.cs
+++ b/SabreTools.Library/DatFiles/DatFile.cs
@@ -2827,7 +2827,8 @@ namespace SabreTools.Library.DatFiles
 						DatItem datItem = (DatItem)item.Clone();
 						newdevs.AddRange(datItem.Devices ?? new List<string>());
 						datItem.CopyMachineInformation(copyFrom);
-						if (this[game].Where(i => i.Name == datItem.Name).Count() == 0 && !this[game].Contains(datItem))
+						if (this[game].Where(i => i.Name.ToLowerInvariant() == datItem.Name.ToLowerInvariant()).Count() == 0
+							&& !this[game].Contains(datItem))
 						{
 							foundnew = true;
 							Add(game, datItem);
@@ -2888,7 +2889,8 @@ namespace SabreTools.Library.DatFiles
 				{
 					DatItem datItem = (DatItem)item.Clone();
 					datItem.CopyMachineInformation(copyFrom);
-					if (this[game].Where(i => i.Name == datItem.Name).Count() == 0 && !this[game].Contains(datItem))
+					if (this[game].Where(i => i.Name.ToLowerInvariant() == datItem.Name.ToLowerInvariant()).Count() == 0
+						&& !this[game].Contains(datItem))
 					{
 						Add(game, datItem);
 					}