diff --git a/system/libraries/Cache/drivers/Cache_redis.php b/system/libraries/Cache/drivers/Cache_redis.php
index 22af592e773..e383435e9af 100644
--- a/system/libraries/Cache/drivers/Cache_redis.php
+++ b/system/libraries/Cache/drivers/Cache_redis.php
@@ -163,7 +163,7 @@ public function get($key)
 	{
 		$data = $this->_redis->hMGet($key, array('__ci_type', '__ci_value'));
 
-		if ($value !== FALSE && $this->_redis->sIsMember('_ci_redis_serialized', $key))
+		if ($data !== FALSE && $this->_redis->sIsMember('_ci_redis_serialized', $key))
 		{
 			return FALSE;
 		}
@@ -223,6 +223,7 @@ public function save($id, $data, $ttl = 60, $raw = FALSE)
 		}
 		else
 		{
+			$this->_redis->expire($id, $ttl);
 			$this->_redis->{static::$_sRemove_name}('_ci_redis_serialized', $id);
 		}