diff --git a/pkg/loki/modules.go b/pkg/loki/modules.go
index d2d268dadc29..cab9ce458f09 100644
--- a/pkg/loki/modules.go
+++ b/pkg/loki/modules.go
@@ -128,7 +128,7 @@ func (t *Loki) initServer() (services.Service, error) {
 func (t *Loki) initRing() (_ services.Service, err error) {
 	t.Cfg.Ingester.LifecyclerConfig.RingConfig.KVStore.Multi.ConfigProvider = multiClientRuntimeConfigChannel(t.runtimeConfig)
 	t.Cfg.Ingester.LifecyclerConfig.RingConfig.KVStore.MemberlistKV = t.MemberlistKV.GetMemberlistKV
-	t.ring, err = ring.New(t.Cfg.Ingester.LifecyclerConfig.RingConfig, "ingester", ring.IngesterRingKey, util_log.Logger, prometheus.DefaultRegisterer)
+	t.ring, err = ring.New(t.Cfg.Ingester.LifecyclerConfig.RingConfig, "ingester", ring.IngesterRingKey, util_log.Logger, prometheus.WrapRegistererWithPrefix("cortex_", prometheus.DefaultRegisterer))
 	if err != nil {
 		return
 	}