diff --git a/SimpleSort/SimpleSort.cs b/SimpleSort/SimpleSort.cs
index c9a390fa..523c9faf 100644
--- a/SimpleSort/SimpleSort.cs
+++ b/SimpleSort/SimpleSort.cs
@@ -49,7 +49,7 @@ namespace SabreTools
 			_7z = (ArchiveScanLevel)(sevenzip < 0 || sevenzip > 2 ? 0 : sevenzip);
 			_gz = (ArchiveScanLevel)(gz < 0 || gz > 2 ? 0 : gz);
 			_rar = (ArchiveScanLevel)(rar < 0 || rar > 2 ? 0 : rar);
-			_zip = (ArchiveScanLevel)(zip < 0 || zip > 2 ? 0 : zip);
+			_zip = (ArchiveScanLevel)(zip < 0 || zip > 0 ? 0 : zip);
 			_logger = logger;
 		}
 
@@ -316,12 +316,12 @@ namespace SabreTools
 				{
 					foreach (byte b in crc.ComputeHash(fs))
 					{
-						rom.CRC += b.ToString("x2").ToLower();
+						rom.CRC += b.ToString("x2").ToLowerInvariant();
 					}
 				}
 				using (FileStream fs = File.Open(input, FileMode.Open))
 				{
-					rom.MD5 = BitConverter.ToString(md5.ComputeHash(fs)).Replace("-", "").ToLowerInvariant(); ;
+					rom.MD5 = BitConverter.ToString(md5.ComputeHash(fs)).Replace("-", "").ToLowerInvariant();
 				}
 				using (FileStream fs = File.Open(input, FileMode.Open))
 				{