diff --git a/cmd/stdiscosrv/stats.go b/cmd/stdiscosrv/stats.go
index 609b420df..6367f47c2 100644
--- a/cmd/stdiscosrv/stats.go
+++ b/cmd/stdiscosrv/stats.go
@@ -7,6 +7,8 @@
 package main
 
 import (
+	"os"
+
 	"github.com/prometheus/client_golang/prometheus"
 )
 
@@ -105,4 +107,6 @@ func init() {
 		replicationSendsTotal, replicationRecvsTotal,
 		databaseKeys, databaseStatisticsSeconds,
 		databaseOperations, databaseOperationSeconds)
+
+	prometheus.MustRegister(prometheus.NewProcessCollector(os.Getpid(), "syncthing_discovery"))
 }