diff --git a/roles/mirrormanager/crawler/files/crawler.cron b/roles/mirrormanager/crawler/files/crawler.cron
index 8ace23d6f7..a3691d7732 100644
--- a/roles/mirrormanager/crawler/files/crawler.cron
+++ b/roles/mirrormanager/crawler/files/crawler.cron
@@ -5,4 +5,4 @@
 # [ "`hostname -s`" == "mm-crawler02" ] && sleep 2h is used to start the crawl
 # later on the second crawler to reduce the number of parallel accesses to
 # the database
-0 */12 * * * mirrormanager [ "`hostname -s`" == "mm-crawler02" ] && sleep 2h; /usr/bin/mm2_crawler --timeout-minutes 180 --threads 27 `/usr/local/bin/run_crawler.sh 2` > /dev/null 2>&1
+0 */12 * * * mirrormanager [ "`hostname -s`" == "mm-crawler02" ] && sleep 2h; /usr/bin/mm2_crawler --timeout-minutes 180 --threads 23 `/usr/local/bin/run_crawler.sh 2` > /dev/null 2>&1