diff --git a/app/vmstorage/main.go b/app/vmstorage/main.go
index f4e24cf5a..ad39a3ed6 100644
--- a/app/vmstorage/main.go
+++ b/app/vmstorage/main.go
@@ -523,7 +523,7 @@ func registerStorageMetrics() {
 	metrics.NewGauge(`vm_cache_entries{type="storage/regexps"}`, func() float64 {
 		return float64(storage.RegexpCacheSize())
 	})
-	metrics.NewGauge(`vm_cache_size_entries{type="storage/prefetchedMetricIDs"}`, func() float64 {
+	metrics.NewGauge(`vm_cache_entries{type="storage/prefetchedMetricIDs"}`, func() float64 {
 		return float64(m().PrefetchedMetricIDsSize)
 	})