diff --git a/Hlt/RecoConf/python/RecoConf/protoparticles.py b/Hlt/RecoConf/python/RecoConf/protoparticles.py
index 0993f66834f4e67069d26a4dae158d89e1d509ed..3372ee4c9d81a52f893a505c68d272be346f0b3c 100644
--- a/Hlt/RecoConf/python/RecoConf/protoparticles.py
+++ b/Hlt/RecoConf/python/RecoConf/protoparticles.py
@@ -37,6 +37,7 @@ def hypo_estimator(calo_pids):
         ClusterMatchLocation=calo_pids["clusterMatch"],
         ElectronMatchLocation=calo_pids["electronMatch"],
         BremMatchLocation=calo_pids["bremMatch"],
+        DigitLocation=calo_pids["digitsEcal"],
         Hypo2Calo=CaloFutureHypo2CaloFuture(
             EcalDigitsLocation=calo_pids["digitsEcal"],
             HcalDigitsLocation=calo_pids["digitsHcal"]),