diff --git a/src/main/java/org/glavo/japp/packer/compressor/classfile/ClassFileCompressor.java b/src/main/java/org/glavo/japp/packer/compressor/classfile/ClassFileCompressor.java
index 7b26faf..9925317 100644
--- a/src/main/java/org/glavo/japp/packer/compressor/classfile/ClassFileCompressor.java
+++ b/src/main/java/org/glavo/japp/packer/compressor/classfile/ClassFileCompressor.java
@@ -15,7 +15,6 @@
  */
 package org.glavo.japp.packer.compressor.classfile;
 
-import com.github.luben.zstd.Zstd;
 import org.glavo.japp.CompressionMethod;
 import org.glavo.japp.packer.compressor.CompressContext;
 import org.glavo.japp.util.CompressedNumber;
@@ -79,10 +78,9 @@ public CompressResult compress(CompressContext context, byte[] source) throws IO
 
         outputBuffer.put(CompressionMethod.ZSTD.id());
         int outputPosition = outputBuffer.position();
-        long compressedTailLen = Zstd.compressByteArray(
+        long compressedTailLen = context.getZstdCompressCtx().compressByteArray(
                 output, outputPosition, output.length - outputPosition,
-                source, reader.tailPosition, reader.tailLen,
-                8);
+                source, reader.tailPosition, reader.tailLen);
         if (compressedTailLen < reader.tailLen) {
             outputBuffer.position(outputPosition + (int) compressedTailLen);
         } else {