diff --git a/nfstream/__init__.py b/nfstream/__init__.py
index 53f2bdb..596d360 100644
--- a/nfstream/__init__.py
+++ b/nfstream/__init__.py
@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 
 from nfstream import streamer
 
@@ -9,4 +8,4 @@ from nfstream import streamer
 
 __author__ = """Zied Aouini"""
 __email__ = 'aouinizied@gmail.com'
-__version__ = '1.1.7'
\ No newline at end of file
+__version__ = '1.1.7'
diff --git a/nfstream/classifier.py b/nfstream/classifier.py
index 7cb9499..f788fca 100644
--- a/nfstream/classifier.py
+++ b/nfstream/classifier.py
@@ -39,6 +39,7 @@ class NDPIClassifier(NFStreamClassifier):
         flow.classifiers[self.name]['dst_id'] = pointer(ndpi_id_struct())
         flow.classifiers[self.name]['application_name'] = ''
         flow.classifiers[self.name]['category_name'] = ''
+        flow.classifiers[self.name]['guessed'] = 0
 
     def on_flow_update(self, packet_information, flow, direction):
         NFStreamClassifier.on_flow_update(self, packet_information, flow, direction)
@@ -68,6 +69,7 @@ class NDPIClassifier(NFStreamClassifier):
                             1,
                             cast(addressof(c_uint8(0)), POINTER(c_uint8))
                         )
+                        flow.classifiers[self.name]['guessed'] = 1
         # HERE you can change flow.export_reason to a value > 2 and the flow will be terminated automatically
 
     def on_flow_terminate(self, flow):
diff --git a/nfstream/ndpi_bindings.py b/nfstream/ndpi_bindings.py
index 49aa214..3793a25 100644
--- a/nfstream/ndpi_bindings.py
+++ b/nfstream/ndpi_bindings.py
@@ -1,10 +1,3 @@
-"""
-    This source code is part of nDPI python bindings
-    original source code is available here: https://github.com/ntop/nDPI/tree/dev/python
-    We keep it as part of nfstream in order to be independent as we plan to implement an abstration layer in case
-    we support several deep packet inspection engines.
-"""
-
 from ctypes import CDLL, Structure, c_uint16, c_int, c_ulong, c_uint32, CFUNCTYPE, c_void_p, POINTER, c_char_p, c_uint8
 from ctypes import c_char, c_uint, c_int16, c_longlong, c_size_t, Union, c_ubyte, c_uint64, c_int32, c_ushort
 from os.path import abspath, dirname
diff --git a/nfstream/streamer.py b/nfstream/streamer.py
index d009a21..c0c9a5f 100644
--- a/nfstream/streamer.py
+++ b/nfstream/streamer.py
@@ -96,6 +96,7 @@ class Flow:
                    'ip_dst': self.ip_dst_str,
                    'dst_port': self.dst_port,
                    'ip_protocol': self.ip_protocol,
+                   'vlan_id': self.vlan_id,
                    'src_to_dst_pkts': self.src_to_dst_pkts,
                    'dst_to_src_pkts': self.dst_to_src_pkts,
                    'src_to_dst_bytes': self.src_to_dst_bytes,