diff --git a/etc/syslog-ng/syslog-ng.conf b/etc/syslog-ng/syslog-ng.conf
index 2599cb8..fb36b28 100644
--- a/etc/syslog-ng/syslog-ng.conf
+++ b/etc/syslog-ng/syslog-ng.conf
@@ -35,6 +35,7 @@ log {
 };
 
 options {
+    frac-digits(3);
     keep-hostname(yes);
     stats(freq(0));
     use-dns(no);