diff --git a/weed/stats/metrics.go b/weed/stats/metrics.go
index 613e444c3..a9624cd86 100644
--- a/weed/stats/metrics.go
+++ b/weed/stats/metrics.go
@@ -96,6 +96,7 @@ func init() {
 	FilerGather.MustRegister(FilerRequestHistogram)
 	FilerGather.MustRegister(FilerStoreCounter)
 	FilerGather.MustRegister(FilerStoreHistogram)
+	FilerGather.MustRegister(prometheus.NewGoCollector())
 
 	VolumeServerGather.MustRegister(VolumeServerRequestCounter)
 	VolumeServerGather.MustRegister(VolumeServerRequestHistogram)