diff --git a/ArcFormats/NitroPlus/ArcNPK.cs b/ArcFormats/NitroPlus/ArcNPK.cs
index cb3f06c0..e3a06f82 100644
--- a/ArcFormats/NitroPlus/ArcNPK.cs
+++ b/ArcFormats/NitroPlus/ArcNPK.cs
@@ -44,7 +44,7 @@ namespace GameRes.Formats.NitroPlus
         public uint AlignedSize;
         public uint Size;
         public uint UnpackedSize;
-        public bool IsCompressed;
+        public bool IsCompressed { get { return Size < UnpackedSize; } }
     }
 
     internal class NpkArchive : ArcFile
@@ -153,7 +153,6 @@ namespace GameRes.Formats.NitroPlus
                     segment.AlignedSize = index.ReadUInt32();
                     segment.Size = index.ReadUInt32();
                     segment.UnpackedSize = index.ReadUInt32();
-                    segment.IsCompressed = segment.Size < segment.UnpackedSize;
                     entry.Segments.Add (segment);
                     packed_size += segment.AlignedSize;
                     is_packed = is_packed || segment.IsCompressed;
diff --git a/supported.html b/supported.html
index bf328867..a0b5b892 100644
--- a/supported.html
+++ b/supported.html
@@ -649,6 +649,7 @@ Wondering Repair!<br/>
 </td></tr>
 <tr><td>*.pac</td><td>-</td><td>No</td><td>Tmr-Hiro ADV System</td><td>
 Hitozuma Sakunyuu Hyakkaten<br/>
+Mai Miko Moe<br/>
 </td></tr>
 <tr class="odd"><td>*.snn+*.inx</td><td>-</td><td>No</td><td rowspan="2">BlueGale</td><td rowspan="2">
 Cafe Junkie<br/>