diff --git a/ldapcherry/backend/backendLdap.py b/ldapcherry/backend/backendLdap.py
index e60ae98..cceaa96 100644
--- a/ldapcherry/backend/backendLdap.py
+++ b/ldapcherry/backend/backendLdap.py
@@ -132,8 +132,8 @@ class Backend(ldapcherry.backend.Backend):
                     ".groupdn'",
                 )
         elif et is ldap.OBJECT_CLASS_VIOLATION:
-            info = e[0]['info']
-            desc = e[0]['desc']
+            info = e.args[0]['info']
+            desc = e.args[0]['desc']
             self._logger(
                 severity=logging.ERROR,
                 msg="Configuration error, " + desc + ", " + info,
@@ -147,7 +147,7 @@ class Backend(ldapcherry.backend.Backend):
                     self.backend_name,
                 )
         elif et is ldap.ALREADY_EXISTS:
-            desc = e[0]['desc']
+            desc = e.args[0]['desc']
             self._logger(
                 severity=logging.ERROR,
                 msg="adding user failed, " + desc,
diff --git a/tests/test_BackendLdap.py b/tests/test_BackendLdap.py
index eefabef..3f80930 100644
--- a/tests/test_BackendLdap.py
+++ b/tests/test_BackendLdap.py
@@ -105,8 +105,8 @@ class TestError(object):
         try:
             ldapc.simple_bind_s(inv.binddn, inv.bindpassword)
         except ldap.SERVER_DOWN as e:
-            assert e[0]['info'] == 'TLS: hostname does not match CN in peer certificate' or \
-                    e[0]['info'] == '(unknown error code)'
+            assert e.args[0]['info'] == 'TLS: hostname does not match CN in peer certificate' or \
+                    e.args[0]['info'] == '(unknown error code)'
         else:
             raise AssertionError("expected an exception")
 
diff --git a/tests/test_LdapCherry.py b/tests/test_LdapCherry.py
index 54611f2..536f80d 100644
--- a/tests/test_LdapCherry.py
+++ b/tests/test_LdapCherry.py
@@ -185,7 +185,7 @@ class TestError(object):
             app.login(u'jwatsoné', u'passwordwatsoné')
         except cherrypy.HTTPRedirect as e:
             expected = 'http://127.0.0.1:8080/'
-            assert e[0][0] == expected
+            assert e.urls[0] == expected
         else:
             raise AssertionError("expected an exception")
 
@@ -197,7 +197,7 @@ class TestError(object):
             app.login(u'jwatsoné', u'wrongPasswordé')
         except cherrypy.HTTPRedirect as e:
             expected = 'http://127.0.0.1:8080/signin'
-            assert e[0][0] == expected
+            assert e.urls[0] == expected
         else:
             raise AssertionError("expected an exception")