diff --git a/WAPT/control b/WAPT/control
index e8b31fd..a9e3add 100644
--- a/WAPT/control
+++ b/WAPT/control
@@ -1,5 +1,5 @@
 package           : fws-thunderbird-sogo-addons
-version           : 60.0.0-3
+version           : 60.0.0-6
 architecture      : all
 section           : base
 priority          : optional
diff --git a/setup.py b/setup.py
index 28219c2..7924325 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,5 @@
 # -*- coding: UTF-8 -*-
 from setuphelpers import *
-import json
-from cryptography.fernet import Fernet
 import os
 from jinja2 import Environment, FileSystemLoader
 
@@ -14,8 +12,10 @@ variables = {
 # Read local variables file if available
 if isfile(makepath(programfiles32,'wapt','private','symetric.txt')) and isfile(makepath(programfiles32,'wapt','private','variables.txt')):
     print('Reading local encrypted variables file')
+    from cryptography.fernet import Fernet
+    import yaml
     f = Fernet(open(makepath(programfiles32,'wapt','private','symetric.txt'),'r').read())
-    variables.update(json.loads(f.decrypt(open(makepath(programfiles32,'wapt','private','variables.txt'),'r').read())))
+    variables.update(yaml.safe_load(f.decrypt(open(makepath(programfiles32,'wapt','private','variables.txt'),'r').read())))
 
 def install():
     connector_version = control['version'].split('-',1)[0]