diff --git a/radicale_odoo_auth/__init__.py b/radicale_odoo_auth/__init__.py
index 3e46f7d..3fd3de3 100644
--- a/radicale_odoo_auth/__init__.py
+++ b/radicale_odoo_auth/__init__.py
@@ -26,22 +26,25 @@ from radicale.auth import BaseAuth
 class Auth(BaseAuth):
     """ BaseAuth implementation for Odoo Radicale Authentication """
 
-    def is_authenticated(self, user, password):
-        """ Is authenticated main function """
+    def __init__(self, configuration, logger):
+        super(Auth, self).__init__(configuration, logger)
         host = self.configuration.get('auth', 'host', fallback='127.0.0.1')
         port = self.configuration.get('auth', 'port', fallback=8069)
+        try:
+            self.odoo = ODOO(host, port=port)
+        except RPCError as rpcerr:
+            self.logger.error(rpcerr)
+            raise RuntimeError(rpcerr)
+
+    def is_authenticated(self, user, password):
+        """ Is authenticated main function """
         if not self.configuration.has_option('auth', 'database'):
             raise RuntimeError('Database is needed for Odoo Authentication')
         database = self.configuration.get('auth', 'database')
         if not user or not password:
             return False
         try:
-            odoo = ODOO(host, port=port)
-        except RPCError as rpcerr:
-            self.logger.error(rpcerr)
-            raise RuntimeError(rpcerr)
-        try:
-            odoo.login(database, user, password)
+            self.odoo.login(database, user, password)
             self.logger.info('Login successfull for {} on database {}'.format(user, database))
             return True
         except RPCError as rpcerr: