diff --git a/AssetStudio/OffsetStream.cs b/AssetStudio/OffsetStream.cs
index 5256847..fafb94d 100644
--- a/AssetStudio/OffsetStream.cs
+++ b/AssetStudio/OffsetStream.cs
@@ -94,7 +94,7 @@ namespace AssetStudio
                             signature = "UnityFS\x00";
                             break;
                         case FileType.MhyFile:
-                            signature = "mhy";
+                            signature = "mhy0";
                             break;
                         case FileType.Blb3File:
                             signature = "Blb\x03";