diff --git a/impacket/structure.py b/impacket/structure.py
index 7209c11595..f69e8f5808 100644
--- a/impacket/structure.py
+++ b/impacket/structure.py
@@ -11,11 +11,9 @@
 from __future__ import print_function
 from struct import pack, unpack, calcsize
 from six import b, PY3
-from sys import stdout
+from binascii import hexlify
 
 
-encoding = stdout.encoding
-
 class Structure:
     """ sublcasses can define commonHdr and/or structure.
         each of them is an tuple of either two: (fieldName, format) or three: (fieldName, ':', class) fields.
@@ -164,7 +162,7 @@ def fromString(self, data):
             data = data[size:]
 
         return self
-        
+
     def __setitem__(self, key, value):
         self.fields[key] = value
         self.data = None        # force recompute
@@ -174,9 +172,9 @@ def __getitem__(self, key):
 
     def __delitem__(self, key):
         del self.fields[key]
-        
+
     def __str__(self):
-        return self.getData().decode(encoding)
+        return hexlify(self.getData())
 
     def __len__(self):
         # XXX: improve