diff --git a/roles/mirrormanager/crawler/files/crawler.cron b/roles/mirrormanager/crawler/files/crawler.cron
index 6cdf47f184..fda60f9f82 100644
--- a/roles/mirrormanager/crawler/files/crawler.cron
+++ b/roles/mirrormanager/crawler/files/crawler.cron
@@ -1,4 +1,4 @@
 # run the crawler twice a day
 # logs sent to /var/log/mirrormanager/crawler.log and crawl/* by default
-# 32GB of RAM is not enough for 75 threads 
-0 */12 * * * root /usr/bin/mm2_crawler --threads 50 > /dev/null 2>&1
+# 32GB of RAM is not enough for 75 threads, 40 seems to work so far
+0 */12 * * * root /usr/bin/mm2_crawler --threads 40 > /dev/null 2>&1