diff --git a/system/libraries/Cache/drivers/Cache_redis.php b/system/libraries/Cache/drivers/Cache_redis.php
index 43e2177..114c329 100644
--- a/system/libraries/Cache/drivers/Cache_redis.php
+++ b/system/libraries/Cache/drivers/Cache_redis.php
@@ -223,7 +223,7 @@
 	{
 		$value = $this->get($key);
 
-		if ($value)
+		if ($value !== FALSE)
 		{
 			return array(
 				'expire' => time() + $this->_redis->ttl($key),