diff --git a/.travis.yml b/.travis.yml
index e27ffd5..1341425 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 language: python
 env:
+- TOXENV=py26
 - TOXENV=py27
 - TOXENV=py33
 install: pip install tox
diff --git a/flask_kvsession/__init__.py b/flask_kvsession/__init__.py
index cd2ab38..46ebdcc 100644
--- a/flask_kvsession/__init__.py
+++ b/flask_kvsession/__init__.py
@@ -189,7 +189,12 @@ def save_session(self, app, session, response):
 
             if getattr(store, 'ttl_support', False):
                 # TTL is supported
-                ttl = current_app.permanent_session_lifetime.total_seconds()
+                try:
+                    ttl = current_app.permanent_session_lifetime.total_seconds()
+                except AttributeError:
+                    # Python 2.6 support
+                    delta = current_app.permanent_session_lifetime
+                    ttl = delta.seconds + delta.days * 24 * 3600
                 store.put(session.sid_s, data, ttl)
             else:
                 store.put(session.sid_s, data)
diff --git a/tox.ini b/tox.ini
index a2fd8d0..48d36e7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py33
+envlist = py26,py27,py33
 
 [testenv]
 deps=