diff --git a/etc/chrony/sources.d/nts-servers.sources b/etc/chrony/sources.d/nts-servers.sources
index 376a2b28..6f98704c 100644
--- a/etc/chrony/sources.d/nts-servers.sources
+++ b/etc/chrony/sources.d/nts-servers.sources
@@ -14,7 +14,7 @@
 # NOTE: NTS support requires Chrony 4.0 or newer!
 
 # Cloudflare NTS, anycast, works probably anywhere. No leap second smearing.
-pool time.cloudflare.com maxsources 2 iburst nts
+pool time.cloudflare.com maxsources 2 iburst nts prefer
 
 # Finland, https://ntp.miuku.net
 server ntp.miuku.net iburst nts