diff --git a/SabreTools.Library/DatFiles/ClrMamePro.cs b/SabreTools.Library/DatFiles/ClrMamePro.cs
index 4cf43503..897f4654 100644
--- a/SabreTools.Library/DatFiles/ClrMamePro.cs
+++ b/SabreTools.Library/DatFiles/ClrMamePro.cs
@@ -933,11 +933,11 @@ namespace SabreTools.Library.DatFiles
 						state += "\trom ( name \"" + (!ExcludeFields[(int)Field.Name] ? rom.Name : "") + "\""
 							+ (!ExcludeFields[(int)Field.Size] && ((Rom)rom).Size != -1 ? " size " + ((Rom)rom).Size : "")
 							+ (!ExcludeFields[(int)Field.CRC] && !String.IsNullOrWhiteSpace(((Rom)rom).CRC) ? " crc " + ((Rom)rom).CRC.ToLowerInvariant() : "")
-							+ (!ExcludeFields[(int)Field.MD5] && !String.IsNullOrWhiteSpace(((Disk)rom).MD5) ? " md5 " + ((Disk)rom).MD5.ToLowerInvariant() : "")
-							+ (!ExcludeFields[(int)Field.SHA1] && !String.IsNullOrWhiteSpace(((Disk)rom).SHA1) ? " sha1 " + ((Disk)rom).SHA1.ToLowerInvariant() : "")
-							+ (!ExcludeFields[(int)Field.SHA256] && !String.IsNullOrWhiteSpace(((Disk)rom).SHA256) ? " sha256 " + ((Disk)rom).SHA256.ToLowerInvariant() : "")
-							+ (!ExcludeFields[(int)Field.SHA384] && !String.IsNullOrWhiteSpace(((Disk)rom).SHA384) ? " sha384 " + ((Disk)rom).SHA384.ToLowerInvariant() : "")
-							+ (!ExcludeFields[(int)Field.SHA512] && !String.IsNullOrWhiteSpace(((Disk)rom).SHA512) ? " sha512 " + ((Disk)rom).SHA512.ToLowerInvariant() : "")
+							+ (!ExcludeFields[(int)Field.MD5] && !String.IsNullOrWhiteSpace(((Rom)rom).MD5) ? " md5 " + ((Rom)rom).MD5.ToLowerInvariant() : "")
+							+ (!ExcludeFields[(int)Field.SHA1] && !String.IsNullOrWhiteSpace(((Rom)rom).SHA1) ? " sha1 " + ((Rom)rom).SHA1.ToLowerInvariant() : "")
+							+ (!ExcludeFields[(int)Field.SHA256] && !String.IsNullOrWhiteSpace(((Rom)rom).SHA256) ? " sha256 " + ((Rom)rom).SHA256.ToLowerInvariant() : "")
+							+ (!ExcludeFields[(int)Field.SHA384] && !String.IsNullOrWhiteSpace(((Rom)rom).SHA384) ? " sha384 " + ((Rom)rom).SHA384.ToLowerInvariant() : "")
+							+ (!ExcludeFields[(int)Field.SHA512] && !String.IsNullOrWhiteSpace(((Rom)rom).SHA512) ? " sha512 " + ((Rom)rom).SHA512.ToLowerInvariant() : "")
 							+ (!ExcludeFields[(int)Field.Date] && !String.IsNullOrWhiteSpace(((Rom)rom).Date) ? " date \"" + ((Rom)rom).Date + "\"" : "")
 							+ (!ExcludeFields[(int)Field.Status] && ((Rom)rom).ItemStatus != ItemStatus.None ? " flags " + ((Rom)rom).ItemStatus.ToString().ToLowerInvariant() : "")
 							+ " )\n";