diff --git a/LibHac.Nand/DiscUtils.Fat/Directory.cs b/LibHac.Nand/DiscUtils.Fat/Directory.cs
index 7f91043d..a7d45313 100644
--- a/LibHac.Nand/DiscUtils.Fat/Directory.cs
+++ b/LibHac.Nand/DiscUtils.Fat/Directory.cs
@@ -414,7 +414,7 @@ namespace DiscUtils.Fat
                                 validChecksum = false;
                                 break;
                             }
-                            sb.Append(slot.Name.ToUpperInvariant());
+                            sb.Append(slot.Name);
                         }
 
                         if (validChecksum)