diff --git a/storage/storagemetrics/decorator.go b/storage/storagemetrics/decorator.go
index 99c1691f356..187e790e829 100644
--- a/storage/storagemetrics/decorator.go
+++ b/storage/storagemetrics/decorator.go
@@ -4,6 +4,8 @@
 package storagemetrics
 
 import (
+	"io"
+
 	"go.uber.org/zap"
 
 	"github.com/jaegertracing/jaeger/pkg/metrics"
@@ -21,7 +23,7 @@ type DecoratorFactory struct {
 func NewDecoratorFactory(f storage.Factory, mf metrics.Factory) *DecoratorFactory {
 	return &DecoratorFactory{
 		delegate:       f,
-		metricsFactory: mf.Namespace(metrics.NSOptions{Name: "storage"}),
+		metricsFactory: mf,
 	}
 }
 
@@ -45,3 +47,10 @@ func (df *DecoratorFactory) CreateSpanWriter() (spanstore.Writer, error) {
 func (df *DecoratorFactory) CreateDependencyReader() (dependencystore.Reader, error) {
 	return df.delegate.CreateDependencyReader()
 }
+
+func (df *DecoratorFactory) Close() error {
+	if closer, ok := df.delegate.(io.Closer); ok {
+		return closer.Close()
+	}
+	return nil
+}
diff --git a/storage/storagemetrics/decorator_test.go b/storage/storagemetrics/decorator_test.go
index 1f1983daab6..362ef4d1b2f 100644
--- a/storage/storagemetrics/decorator_test.go
+++ b/storage/storagemetrics/decorator_test.go
@@ -57,7 +57,7 @@ func TestCreateSpanReader_ReturnsDecoratedReader(t *testing.T) {
 	expectedReader.On("GetServices", context.Background()).Return([]string{}, nil)
 	r.GetServices(context.Background())
 	counters, _ := mf.Snapshot()
-	require.EqualValues(t, map[string]int64{"storage.requests|operation=get_services|result=ok": 1}, counters)
+	require.EqualValues(t, map[string]int64{"requests|operation=get_services|result=ok": 1}, counters)
 }
 
 func TestCreateSpanWriter_DelegatesUnderlyingResponse(t *testing.T) {