diff --git a/cmd/stayrtr/stayrtr.go b/cmd/stayrtr/stayrtr.go
index 50abe79..1dc09ff 100644
--- a/cmd/stayrtr/stayrtr.go
+++ b/cmd/stayrtr/stayrtr.go
@@ -536,6 +536,7 @@ func run() error {
 
 	s := state{
 		server:       server,
+		lastdata:    &prefixfile.VRPList{},
 		metricsEvent: me,
 		sendNotifs:   *SendNotifs,
 		checktime:    *TimeCheck,