diff --git a/nlsr.conf b/nlsr.conf
index d5421ed..3f01975 100644
--- a/nlsr.conf
+++ b/nlsr.conf
@@ -19,6 +19,9 @@
   ; InterestLifetime (in seconds) for LSA fetching
   lsa-interest-lifetime 4    ; default value 4. Valid values 1-60
 
+  ; sync interest lifetime of ChronoSync in milliseconds
+  sync-interest-lifetime 60000  ; default value 60000. Valid values 1000-120,000
+
   seq-dir       /var/lib/nlsr        ; path for sequence directory (Absolute path)
 }