diff --git a/SabreTools.Helper/Dats/Partials/DatFile.DFD.cs b/SabreTools.Helper/Dats/Partials/DatFile.DFD.cs
index 1a8722ec..9c91ef7c 100644
--- a/SabreTools.Helper/Dats/Partials/DatFile.DFD.cs
+++ b/SabreTools.Helper/Dats/Partials/DatFile.DFD.cs
@@ -365,6 +365,10 @@ namespace SabreTools.Helper.Dats
 				}
 
 				// Sanitize the names
+				if (romname == null)
+				{
+					romname = "";
+				}
 				if (gamename.StartsWith(Path.DirectorySeparatorChar.ToString()))
 				{
 					gamename = gamename.Substring(1);