diff --git a/SabreTools.Helper/Tools/RomTools.cs b/SabreTools.Helper/Tools/RomTools.cs
index cfe60532..a10e7c28 100644
--- a/SabreTools.Helper/Tools/RomTools.cs
+++ b/SabreTools.Helper/Tools/RomTools.cs
@@ -263,9 +263,9 @@ namespace SabreTools.Helper
 							}
 							return Style.CompareNumeric(x.Machine.Name, y.Machine.Name);
 						}
-						return (norename ? String.Compare(x.Machine.Name, y.Machine.Name) : x.Metadata.SourceID - y.Metadata.SourceID);
+						return (norename ? Style.CompareNumeric(x.Machine.Name, y.Machine.Name) : x.Metadata.SourceID - y.Metadata.SourceID);
 					}
-					return (norename ? String.Compare(x.Machine.Name, y.Machine.Name) : x.Metadata.SystemID - y.Metadata.SystemID);
+					return (norename ? Style.CompareNumeric(x.Machine.Name, y.Machine.Name) : x.Metadata.SystemID - y.Metadata.SystemID);
 				});
 				return true;
 			}