diff --git a/Hlt/RecoConf/python/RecoConf/rich_reconstruction.py b/Hlt/RecoConf/python/RecoConf/rich_reconstruction.py
index bbee8663fa3bd55c3570fd087efd65e77a2a5b45..3ade59ce5442e2dd7be024674ceb1dec780ff45f 100644
--- a/Hlt/RecoConf/python/RecoConf/rich_reconstruction.py
+++ b/Hlt/RecoConf/python/RecoConf/rich_reconstruction.py
@@ -207,6 +207,8 @@ def default_rich_reco_options(init_override_opts={}):
         "MaxTracks": 10000,
         # PID Version
         "PIDVersion": 2,
+        # Data Type
+        "DataSetType": "Run3",
     }
 
     # More technical options
@@ -747,6 +749,7 @@ def make_track_resolution_info(track_name, options, results):
     elif options["TkCKResTreatment"] == "Parameterised":
         tkRes = ParamTrackCKRes(
             name="RichCKResolutions" + track_name + "_{hash}",
+            DataSetType=options["DataSetType"],
             Detectors=det_opts,
             TrackType=track_name,
             MaxCKThetaRes=defaultMaxCKThetaResolutions()[tktype],