diff --git a/javaobj.py b/javaobj.py
index 9fec6f4..891ee80 100644
--- a/javaobj.py
+++ b/javaobj.py
@@ -368,6 +368,7 @@ def __iter__(self):
     def __len__(self):
         return len(self._data)
 
+
 # ------------------------------------------------------------------------------
 
 
@@ -1199,7 +1200,7 @@ def writeObject(self, obj):
         :raise RuntimeError: Unsupported type
         """
         log_debug("Writing object of type {0}".format(type(obj).__name__))
-        if isinstance(obj, JavaArray):
+        if isinstance(obj, (JavaArray, JavaByteArray)):
             # Deserialized Java array
             self.write_array(obj)
         elif isinstance(obj, JavaEnum):
@@ -1627,3 +1628,14 @@ def create(self, classdesc):
 
             log_debug(">>> java_object: {0}".format(java_object))
             return java_object
+
+
+class ByteArrayDesc(object):
+
+    def __init__(self):
+        self.name =  JavaObjectConstants.TYPE_ARRAY + JavaObjectConstants.TYPE_BYTE
+        self.serialVersionUID = -5984413125824719648
+        self.fields_names = []
+        self.fields_types = []
+        self.flags = JavaObjectConstants.SC_SERIALIZABLE
+        self.superclass = None
diff --git a/tests/bom.ser b/tests/bom.ser
new file mode 100644
index 0000000..a8a0d6c
Binary files /dev/null and b/tests/bom.ser differ
diff --git a/tests/bom.zip b/tests/bom.zip
new file mode 100644
index 0000000..f2e0212
Binary files /dev/null and b/tests/bom.zip differ
diff --git a/tests/test_zip.py b/tests/test_zip.py
new file mode 100644
index 0000000..9313b3a
--- /dev/null
+++ b/tests/test_zip.py
@@ -0,0 +1,19 @@
+import javaobj
+import logging
+import time
+
+def main():
+    logging.basicConfig(level=logging.DEBUG)
+    logging.debug('--- %s ---', time.strftime("%H:%M:%S"))    
+    filename = 'bom.zip'
+    output = 'bom.ser'
+    marshaller = javaobj.JavaObjectMarshaller()
+    with open(filename, 'rb') as zip_file:
+        data = zip_file.read()
+        javaarray = javaobj.JavaByteArray(data, classdesc=javaobj.ByteArrayDesc())
+        java_data = marshaller.dump(javaarray)
+        with open(output, 'wb') as writefile:
+            writefile.write(java_data)
+
+if __name__ == '__main__':
+    main()