diff --git a/tests/config/config.d/zookeeper_log.xml b/tests/config/config.d/zookeeper_log.xml
index a70cbc3ecc2..03423fe5793 100644
--- a/tests/config/config.d/zookeeper_log.xml
+++ b/tests/config/config.d/zookeeper_log.xml
@@ -3,5 +3,6 @@
         <database>system</database>
         <table>zookeeper_log</table>
         <flush_interval_milliseconds>7500</flush_interval_milliseconds>
+        <ttl>event_date + INTERVAL 1 WEEK DELETE</ttl>
     </zookeeper_log>
 </clickhouse>