diff --git a/ArcFormats/TopCat/ArcTCD3.cs b/ArcFormats/TopCat/ArcTCD3.cs
index fa4a1b72..37f5fc5d 100644
--- a/ArcFormats/TopCat/ArcTCD3.cs
+++ b/ArcFormats/TopCat/ArcTCD3.cs
@@ -331,6 +331,7 @@ namespace GameRes.Formats.TopCat
                     break;
                 uint crc = Crc32Normal.UpdateCrc (0, data, src, page_size);
                 LittleEndian.Pack (crc, data, src+0x16);
+                src += page_size;
             }
             return new MemoryStream (data);
         }