diff --git a/DATabase/Generate.cs b/DATabase/Generate.cs
index 5d505421..b29a6210 100644
--- a/DATabase/Generate.cs
+++ b/DATabase/Generate.cs
@@ -179,18 +179,18 @@ namespace DATabase
 					{
 						state += "\t" + rom.Type + " ( name \"" + rom.Name + "\"" +
 							(rom.Size != 0 ? " size " + rom.Size : "") +
-							(rom.CRC != "" ? " crc " + rom.CRC.ToUpperInvariant() : "") +
-							(rom.MD5 != "" ? " md5 " + rom.MD5.ToUpperInvariant() : "") +
-							(rom.SHA1 != "" ? " sha1 " + rom.SHA1.ToUpperInvariant() : "") +
+							(rom.CRC != "" ? " crc " + rom.CRC.ToLowerInvariant() : "") +
+							(rom.MD5 != "" ? " md5 " + rom.MD5.ToLowerInvariant() : "") +
+							(rom.SHA1 != "" ? " sha1 " + rom.SHA1.ToLowerInvariant() : "") +
 							" )\n";
 					}
 					else
 					{
 						state += "\t\t<" + rom.Type + " name=\"" + HttpUtility.HtmlEncode(rom.Name) + "\"" +
 							(rom.Size != -1 ? " size=\"" + rom.Size + "\"" : "") +
-							(rom.CRC != "" ? " crc=\"" + rom.CRC.ToUpperInvariant() + "\"" : "") +
-							(rom.MD5 != "" ? " md5=\"" + rom.MD5.ToUpperInvariant() + "\"" : "") +
-							(rom.SHA1 != "" ? " sha1=\"" + rom.SHA1.ToUpperInvariant() + "\"" : "") +
+							(rom.CRC != "" ? " crc=\"" + rom.CRC.ToLowerInvariant() + "\"" : "") +
+							(rom.MD5 != "" ? " md5=\"" + rom.MD5.ToLowerInvariant() + "\"" : "") +
+							(rom.SHA1 != "" ? " sha1=\"" + rom.SHA1.ToLowerInvariant() + "\"" : "") +
 							" />\n";
 					}
 
diff --git a/DATabase/Importer.cs b/DATabase/Importer.cs
index 090f41ee..c51f4ad8 100644
--- a/DATabase/Importer.cs
+++ b/DATabase/Importer.cs
@@ -324,9 +324,9 @@ namespace DATabase
 									child.Attributes["name"].Value,
 									date,
 									(child.Attributes["size"] != null ? Int32.Parse(child.Attributes["size"].Value) : -1),
-									(child.Attributes["crc"] != null ? child.Attributes["crc"].Value.ToUpperInvariant() : ""),
-									(child.Attributes["md5"] != null ? child.Attributes["md5"].Value.ToUpperInvariant() : ""),
-									(child.Attributes["sha1"] != null ? child.Attributes["sha1"].Value.ToUpperInvariant() : "")
+									(child.Attributes["crc"] != null ? child.Attributes["crc"].Value.ToLowerInvariant() : ""),
+									(child.Attributes["md5"] != null ? child.Attributes["md5"].Value.ToLowerInvariant() : ""),
+									(child.Attributes["sha1"] != null ? child.Attributes["sha1"].Value.ToLowerInvariant() : "")
                                 );
 							}
 							// If we find the signs of a software list, traverse the children
@@ -348,9 +348,9 @@ namespace DATabase
 													data.Attributes["name"].Value,
 													date,
 													(data.Attributes["size"] != null ? Int32.Parse(data.Attributes["size"].Value) : -1),
-													(data.Attributes["crc"] != null ? data.Attributes["crc"].Value.ToUpperInvariant() : ""),
-													(data.Attributes["md5"] != null ? data.Attributes["md5"].Value.ToUpperInvariant() : ""),
-													(data.Attributes["sha1"] != null ? data.Attributes["sha1"].Value.ToUpperInvariant() : "")
+													(data.Attributes["crc"] != null ? data.Attributes["crc"].Value.ToLowerInvariant() : ""),
+													(data.Attributes["md5"] != null ? data.Attributes["md5"].Value.ToLowerInvariant() : ""),
+													(data.Attributes["sha1"] != null ? data.Attributes["sha1"].Value.ToLowerInvariant() : "")
 												);
 											}
 										}