diff --git a/srcpkgs/ntp/files/ntp.conf b/srcpkgs/ntp/files/ntp.conf
index db834f495bf..a4bb5d6baa8 100644
--- a/srcpkgs/ntp/files/ntp.conf
+++ b/srcpkgs/ntp/files/ntp.conf
@@ -12,6 +12,7 @@ server 2.pool.ntp.org
 # Only allow read-only access from localhost
 restrict default noquery nomodify nopeer
 restrict 127.0.0.1
+restrict ::1
 
 # Location of drift and log files
 driftfile /var/db/ntpd/drift