diff --git a/internal/metricdata/utils.go b/internal/metricdata/utils.go
index f480e40..dcdaaaa 100644
--- a/internal/metricdata/utils.go
+++ b/internal/metricdata/utils.go
@@ -72,13 +72,21 @@ func DeepCopy(jd_temp schema.JobData) schema.JobData {
 			jd[k][k_].Unit.Base = v_.Unit.Base
 			jd[k][k_].Unit.Prefix = v_.Unit.Prefix
 			if v_.StatisticsSeries != nil {
+				// Init Slices
 				jd[k][k_].StatisticsSeries = new(schema.StatsSeries)
+				jd[k][k_].StatisticsSeries.Max = make([]schema.Float, len(v_.StatisticsSeries.Max))
+				jd[k][k_].StatisticsSeries.Min = make([]schema.Float, len(v_.StatisticsSeries.Min))
+				jd[k][k_].StatisticsSeries.Median = make([]schema.Float, len(v_.StatisticsSeries.Median))
+				jd[k][k_].StatisticsSeries.Mean = make([]schema.Float, len(v_.StatisticsSeries.Mean))
+				// Copy Data
 				copy(jd[k][k_].StatisticsSeries.Max, v_.StatisticsSeries.Max)
 				copy(jd[k][k_].StatisticsSeries.Min, v_.StatisticsSeries.Min)
 				copy(jd[k][k_].StatisticsSeries.Median, v_.StatisticsSeries.Median)
 				copy(jd[k][k_].StatisticsSeries.Mean, v_.StatisticsSeries.Mean)
+				// Handle Percentiles
 				for k__, v__ := range v_.StatisticsSeries.Percentiles {
-					jd[k][k_].StatisticsSeries.Percentiles[k__] = v__
+					jd[k][k_].StatisticsSeries.Percentiles[k__] = make([]schema.Float, len(v__))
+					copy(jd[k][k_].StatisticsSeries.Percentiles[k__], v__)
 				}
 			} else {
 				jd[k][k_].StatisticsSeries = v_.StatisticsSeries