diff --git a/man/knot.conf.5.in b/man/knot.conf.5.in
index e4cc59aad7bd46d98e810d3781cb2b95458a8ce0..3138e6d1989f8a50f616b650ceac1306437593a5 100644
--- a/man/knot.conf.5.in
+++ b/man/knot.conf.5.in
@@ -244,10 +244,10 @@ serves as an example of the configuration for knotc(8) and knotd(8).
 
   # Timeout for syncing changes from zone database to zonefile
   # Possible values: <1..INT_MAX> (seconds)
-  # Default value: 1h (1 hour)
+  # Default value: 0s (immediately)
   # It is also possible to suffix with unit size [s/m/h/d]
   # f.e. 1s = 1 day, 1m = 1 minute, 1h = 1 hour, 1d = 1 day
-  zonefile-sync 1h;
+  zonefile-sync 0s;
 
   # File size limit for IXFR journal
   # Possible values: <1..INT_MAX>