diff --git a/storage/remote/otlptranslator/prometheusremotewrite/metrics_to_prw_test.go b/storage/remote/otlptranslator/prometheusremotewrite/metrics_to_prw_test.go
index d264c81af8..b03b28e4cd 100644
--- a/storage/remote/otlptranslator/prometheusremotewrite/metrics_to_prw_test.go
+++ b/storage/remote/otlptranslator/prometheusremotewrite/metrics_to_prw_test.go
@@ -996,8 +996,13 @@ func BenchmarkPrometheusConverter_FromMetrics(b *testing.B) {
 												annots, err := converter.FromMetrics(context.Background(), payload.Metrics(), settings)
 												require.NoError(b, err)
 												require.Empty(b, annots)
-												require.NotNil(b, converter.TimeSeries())
-												require.NotNil(b, converter.Metadata())
+												if histogramCount+nonHistogramCount > 0 {
+													require.NotEmpty(b, converter.TimeSeries())
+													require.NotEmpty(b, converter.Metadata())
+												} else {
+													require.Empty(b, converter.TimeSeries())
+													require.Empty(b, converter.Metadata())
+												}
 											}
 										})
 									}