diff --git a/RecoTracker/MkFit/python/customizeHLTIter0ToMkFit.py b/RecoTracker/MkFit/python/customizeHLTIter0ToMkFit.py
index 520a7722db3a3..ce802618cb875 100644
--- a/RecoTracker/MkFit/python/customizeHLTIter0ToMkFit.py
+++ b/RecoTracker/MkFit/python/customizeHLTIter0ToMkFit.py
@@ -36,6 +36,7 @@ def customizeHLTIter0ToMkFit(process):
         minGoodStripCharge = dict(refToPSet_ = 'HLTSiStripClusterChargeCutLoose'),
     )
     process.hltIter0PFlowCkfTrackCandidatesMkFitEventOfHits = mkFitEventOfHitsProducer_cfi.mkFitEventOfHitsProducer.clone(
+        beamSpot  = "hltOnlineBeamSpot",
         pixelHits = "hltIter0PFlowCkfTrackCandidatesMkFitSiPixelHits",
         stripHits = "hltIter0PFlowCkfTrackCandidatesMkFitSiStripHits",
     )