diff --git a/storage/metric/memory.go b/storage/metric/memory.go
index 996283243..1ea929dcf 100644
--- a/storage/metric/memory.go
+++ b/storage/metric/memory.go
@@ -231,9 +231,14 @@ func (s *memorySeriesStorage) CreateEmptySeries(metric clientmodel.Metric) {
 	s.Lock()
 	defer s.Unlock()
 
+	m := clientmodel.Metric{}
+	for label, value := range metric {
+		m[label] = value
+	}
+
 	fingerprint := &clientmodel.Fingerprint{}
-	fingerprint.LoadFromMetric(metric)
-	s.getOrCreateSeries(metric, fingerprint)
+	fingerprint.LoadFromMetric(m)
+	s.getOrCreateSeries(m, fingerprint)
 }
 
 func (s *memorySeriesStorage) getOrCreateSeries(metric clientmodel.Metric, fingerprint *clientmodel.Fingerprint) stream {
diff --git a/storage/metric/tiered_test.go b/storage/metric/tiered_test.go
index cd989e68e..2c61dd2d2 100644
--- a/storage/metric/tiered_test.go
+++ b/storage/metric/tiered_test.go
@@ -729,3 +729,42 @@ func testTruncateBefore(t test.Tester) {
 func TestTruncateBefore(t *testing.T) {
 	testTruncateBefore(t)
 }
+
+func TestGetMetricForFingerprintCachesCopyOfMetric(t *testing.T) {
+	ts, closer := NewTestTieredStorage(t)
+	defer closer.Close()
+
+	m := clientmodel.Metric{
+		clientmodel.MetricNameLabel: "testmetric",
+	}
+	samples := clientmodel.Samples{
+		&clientmodel.Sample{
+			Metric:    m,
+			Value:     0,
+			Timestamp: clientmodel.Now(),
+		},
+	}
+
+	if err := ts.AppendSamples(samples); err != nil {
+		t.Fatalf(err.Error())
+	}
+
+	ts.Flush()
+
+	fp := &clientmodel.Fingerprint{}
+	fp.LoadFromMetric(m)
+	m, err := ts.GetMetricForFingerprint(fp)
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+
+	m[clientmodel.MetricNameLabel] = "changedmetric"
+
+	m, err = ts.GetMetricForFingerprint(fp)
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+	if m[clientmodel.MetricNameLabel] != "testmetric" {
+		t.Fatal("Metric name label value has changed: ", m[clientmodel.MetricNameLabel])
+	}
+}