diff --git a/appsys/libraries/Cache/drivers/Cache_redis.php b/appsys/libraries/Cache/drivers/Cache_redis.php
index e156cda..92267aa 100644
--- a/appsys/libraries/Cache/drivers/Cache_redis.php
+++ b/appsys/libraries/Cache/drivers/Cache_redis.php
@@ -214,6 +214,10 @@ public function save($id, $data, $ttl = 60, $raw = FALSE)
 			$this->_redis->{static::$_sRemove_name}('_ci_redis_serialized', $id);
 		}
 
+		if (is_numeric($ttl)) {
+			$this->_redis->expireAt($id, time() + $ttl);
+		}
+
 		return $this->_redis->set($id, $data, $ttl);
 	}