diff --git a/conduit/apps/authentication/models.py b/conduit/apps/authentication/models.py
index 2129957..fd42c69 100644
--- a/conduit/apps/authentication/models.py
+++ b/conduit/apps/authentication/models.py
@@ -133,7 +133,7 @@ def _generate_jwt_token(self):
 
         token = jwt.encode({
             'id': self.pk,
-            'exp': int(dt.strftime('%s'))
+            'exp': int(dt.timestamp())
         }, settings.SECRET_KEY, algorithm='HS256')
 
         return token.decode('utf-8')