diff --git a/overlay/etc/skel/.config/JS8Call.ini b/overlay/etc/skel/.config/JS8Call.ini
index e01d5ee..30e6484 100644
--- a/overlay/etc/skel/.config/JS8Call.ini
+++ b/overlay/etc/skel/.config/JS8Call.ini
@@ -8,6 +8,7 @@ AcceptTCPRequests=true
 AutoGrid=true
 AutoreplyConfirmation=false
 AutoreplyOnAtStartup=true
+CallsignAging=30
 CATNetworkPort=localhost:4532
 CheckForUpdates=false
 HeartbeatAckSNR=true