diff --git a/docs/source/quick.rst b/docs/source/quick.rst
index 6094a86..6249c22 100644
--- a/docs/source/quick.rst
+++ b/docs/source/quick.rst
@@ -14,7 +14,7 @@ For static file service, add to ``settings.INSTALLED_APPS``::
 
     'session_security',
 
-Add to ``settings.MIDDLEWARE_CLASSES``, **after** django's AuthenticationMiddleware::
+Add this line in ``settings.MIDDLEWARE_CLASSES`` on djanog 1.8+ or ``settings.MIDDLEWARE`` on django 1.10+, **after** django's AuthenticationMiddleware::
 
     'session_security.middleware.SessionSecurityMiddleware',
 
diff --git a/session_security/utils.py b/session_security/utils.py
index 72ed287..a0dbccc 100644
--- a/session_security/utils.py
+++ b/session_security/utils.py
@@ -34,3 +34,6 @@ def get_last_activity(session):
         #################################################################
 
         return datetime.now()
+    except TypeError:
+        return datetime.now()
+