diff --git a/Unity Studio/7zip/SevenZipHelper.cs b/Unity Studio/7zip/SevenZipHelper.cs
index f70fe42..6c418c6 100644
--- a/Unity Studio/7zip/SevenZipHelper.cs	
+++ b/Unity Studio/7zip/SevenZipHelper.cs	
@@ -122,5 +122,23 @@ namespace SevenZip.Compression.LZMA
             return newOutStream;
         }
 
+        public static MemoryStream StreamDecompress(MemoryStream newInStream, long outSize)
+        {
+            SevenZip.Compression.LZMA.Decoder decoder = new SevenZip.Compression.LZMA.Decoder();
+
+            newInStream.Seek(0, 0);
+            MemoryStream newOutStream = new MemoryStream();
+
+            byte[] properties2 = new byte[5];
+            if (newInStream.Read(properties2, 0, 5) != 5)
+                throw (new Exception("input .lzma is too short"));
+            decoder.SetDecoderProperties(properties2);
+
+            long compressedSize = newInStream.Length - newInStream.Position;
+            decoder.Code(newInStream, newOutStream, compressedSize, outSize, null);
+
+            newOutStream.Position = 0;
+            return newOutStream;
+        }
     }
 }
diff --git a/Unity Studio/BundleFile.cs b/Unity Studio/BundleFile.cs
index 90f938a..e8bb361 100644
--- a/Unity Studio/BundleFile.cs	
+++ b/Unity Studio/BundleFile.cs	
@@ -173,7 +173,7 @@ namespace Unity_Studio
                                 var uncompressedBytes = new byte[uncompressedSize];
                                 using (var mstream = new MemoryStream(compressedBytes))
                                 {
-                                    var decoder = SevenZip.Compression.LZMA.SevenZipHelper.StreamDecompress(mstream);
+                                    var decoder = SevenZip.Compression.LZMA.SevenZipHelper.StreamDecompress(mstream, uncompressedSize);
                                     decoder.Read(uncompressedBytes, 0, uncompressedSize);
                                     decoder.Dispose();
                                 }