diff --git a/SabreHelper/RomManipulation.cs b/SabreHelper/RomManipulation.cs
index d700ee79..dfa61bb3 100644
--- a/SabreHelper/RomManipulation.cs
+++ b/SabreHelper/RomManipulation.cs
@@ -121,6 +121,7 @@ namespace SabreTools.Helper
 						{
 							RomData rom = new RomData
 							{
+								Type = "rom",
 								Name = "null",
 								Game = String.Join("\\", parent),
 								Size = -1,