diff --git a/benchmarks/clustering/options/full_cal_reco.py b/benchmarks/clustering/options/full_cal_reco.py
index 872a5d0fd3e325effe9e98295bfbc7c819497e0f..519bd49a232f04ab85cd43d82275d51c3be426bc 100644
--- a/benchmarks/clustering/options/full_cal_reco.py
+++ b/benchmarks/clustering/options/full_cal_reco.py
@@ -337,8 +337,7 @@ cb_hcal_reco = CalHitReco("cb_hcal_reco",
         outputHitCollection="HcalBarrelHitsReco",
         thresholdFactor=5.0,
         readoutClass="HcalBarrelHits",
-        layerField="layer",
-        sectorField="module",
+        sectorField="sector",
         samplingFraction=cb_hcal_sf,
         **cb_hcal_daq)
 algs.append(cb_hcal_reco)
@@ -347,8 +346,8 @@ cb_hcal_merger = CalHitsMerger("cb_hcal_merger",
         inputHitCollection=cb_hcal_reco.outputHitCollection,
         outputHitCollection="HcalBarrelHitsRecoXY",
         readoutClass="HcalBarrelHits",
-        fields=["layer", "slice"],
-        fieldRefNumbers=[1, 0])
+        fields=["tile"],
+        fieldRefNumbers=[0])
 algs.append(cb_hcal_merger)
 
 cb_hcal_cl = IslandCluster("cb_hcal_cl",