diff --git a/benchmarks/tracking/options/imagingcluster_seeded_tracking.py b/benchmarks/tracking/options/imagingcluster_seeded_tracking.py
index f5a47fc0451816046d82b864584b6471b6f08afd..9f6916707e7fcf8bbd83b57474b557900e6b8b1f 100644
--- a/benchmarks/tracking/options/imagingcluster_seeded_tracking.py
+++ b/benchmarks/tracking/options/imagingcluster_seeded_tracking.py
@@ -110,7 +110,7 @@ cb_ecal_digi = CalHitDigi("cb_ecal_digi",
         **cb_ecal_daq)
 
 cb_ecal_reco = ImCalPixelReco("cb_ecal_reco",
-        inputHitCollection="EcalBarrelHitsDigi",
+        inputHitCollection=cb_ecal_digi.outputHitCollection,
         outputHitCollection="EcalBarrelHitsReco",
         thresholdFactor=3,  # about 20 keV
         readoutClass="EcalBarrelHits",  # readout class
@@ -119,8 +119,8 @@ cb_ecal_reco = ImCalPixelReco("cb_ecal_reco",
         **cb_ecal_daq)
 
 cb_ecal_cl = ImagingCluster("cb_ecal_cl",
-        inputHitCollection="EcalBarrelHitsReco",
-        outputHitCollection="EcalBarrelClusterHits",
+        inputHitCollection=cb_ecal_reco.outputHitCollection,
+        outputProtoClusterCollection="EcalBarrelProtoClusters",
         localDistXY=[2.*mm, 2*mm],  # same layer
         layerDistEtaPhi=[10*mrad, 10*mrad],     # adjacent layer
         neighbourLayersRange=2,                 # id diff for adjacent layer
@@ -128,8 +128,10 @@ cb_ecal_cl = ImagingCluster("cb_ecal_cl",
 
 cb_ecal_clreco = ImagingClusterReco("cb_ecal_clreco",
         samplingFraction=cb_ecal_sf,
-        inputHitCollection="EcalBarrelClusterHits",
+        inputHitCollection=cb_ecal_cl.inputHitCollection,
+        inputProtoClusterCollection=cb_ecal_cl.outputProtoClusterCollection,
         outputClusterCollection="EcalBarrelClusters",
+        outputInfoCollection="EcalBarrelClustersInfo",
         outputLayerCollection="EcalBarrelLayers")
 
 ## Track param init