diff --git a/System/Crontab/Producer.php b/System/Crontab/Producer.php
index fa7b5645..7769d0ad 100644
--- a/System/Crontab/Producer.php
+++ b/System/Crontab/Producer.php
@@ -16,7 +16,7 @@ use Snowflake\Snowflake;
 class Producer extends Component
 {
 
-    const CRONTAB_KEY = '_application:system:crontab';
+    const CRONTAB_KEY = '_application:{crontab}:system:crontab';
 
 
     /**
diff --git a/System/Crontab/Zookeeper.php b/System/Crontab/Zookeeper.php
index 2e585b53..612bb41c 100644
--- a/System/Crontab/Zookeeper.php
+++ b/System/Crontab/Zookeeper.php
@@ -118,11 +118,14 @@ class Zookeeper extends Process
 	 */
 	private function loadCarobTask(Redis|\Redis $redis): array
 	{
-		$range = $redis->zRangeByScore(Producer::CRONTAB_KEY, '0', (string)time());
+		$script = <<<SCRIPT
+local _two = redis.call('ZRANGEBYSCORE', KEYS[1], '0', ARGV[1])
 
-		$redis->zRem(Producer::CRONTAB_KEY, ...$range);
+redis.call('ZREM', KEYS[1], unpack(_one))
 
-		return $range;
+return _two
+SCRIPT;
+		return $redis->eval($script, [Producer::CRONTAB_KEY, (string)time()], 1);
 	}
 
 }