diff --git a/hr_zk_attendance/__manifest__.py b/hr_zk_attendance/__manifest__.py
index 87f79eea2..4a7d390c5 100644
--- a/hr_zk_attendance/__manifest__.py
+++ b/hr_zk_attendance/__manifest__.py
@@ -21,7 +21,7 @@
 ###################################################################################
 {
     'name': 'Biometric Device Integration',
-    'version': '12.0.1.0.0',
+    'version': '12.0.1.0.1',
     'summary': """Integrating Biometric Device With HR Attendance (Face + Thumb)""",
     'description': 'This module integrates Odoo with the biometric device(Model: ZKteco uFace 202)',
     'category': 'Generic Modules/Human Resources',
diff --git a/hr_zk_attendance/doc/RELEASE_NOTES.md b/hr_zk_attendance/doc/RELEASE_NOTES.md
index 401f239af..13bdc2180 100755
--- a/hr_zk_attendance/doc/RELEASE_NOTES.md
+++ b/hr_zk_attendance/doc/RELEASE_NOTES.md
@@ -4,3 +4,8 @@
 #### Version 12.0.1.0.0
 ##### ADD
 - Initial commit
+
+#### 26.11.2019
+#### Version 12.0.1.0.1
+##### FIX
+- Bug Fixed
diff --git a/hr_zk_attendance/models/zk_machine.py b/hr_zk_attendance/models/zk_machine.py
index a73e94883..040afdfa4 100644
--- a/hr_zk_attendance/models/zk_machine.py
+++ b/hr_zk_attendance/models/zk_machine.py
@@ -130,7 +130,10 @@ class ZkMachine(models.Model):
 
             users = {}
             if len(zk.userdata) > 0:
-                userdata = zk.userdata[0]
+                for x in range(len(zk.userdata)):
+                    if x > 0:
+                        zk.userdata[x] = zk.userdata[x][8:]
+                userdata = b''.join(zk.userdata)
                 userdata = userdata[11:]
                 while len(userdata) > 72:
                     uid, role, password, name, userid = unpack('2s2s8s28sx31s', userdata.ljust(72)[:72])
@@ -195,7 +198,7 @@ class ZkMachine(models.Model):
                     attendance = []
                     if len(zk.attendancedata) > 0:
                         # The first 4 bytes don't seem to be related to the user
-                        for x in range(len(zk.attendancedata)):
+                        for x in xrange(len(zk.attendancedata)):
                             if x > 0:
                                 zk.attendancedata[x] = zk.attendancedata[x][8:]
                         attendancedata = b''.join(zk.attendancedata)