diff --git a/Detector/DetCRD/compact/CRD_common_v01/DC_Straight_v01_01.xml b/Detector/DetCRD/compact/CRD_common_v01/DC_Straight_v01_01.xml
index 2502ab452df7ca72e27160552da07f264e4a039c..a35bb38344b4a2f7ec6d68189a95a212f1c97fc6 100644
--- a/Detector/DetCRD/compact/CRD_common_v01/DC_Straight_v01_01.xml
+++ b/Detector/DetCRD/compact/CRD_common_v01/DC_Straight_v01_01.xml
@@ -12,7 +12,8 @@
   </define>
 
   <detectors>
-    <detector id="DetID_DC" name="DriftChamber" type="StraightDriftChamber_v01" readout="DriftChamberHitsCollection" vis="DCVis" insideTrackingVolume="true" limits="dc_limits">
+    <detector id="DetID_DC" name="DriftChamber" type="StraightDriftChamber_v01" readout="DriftChamberHitsCollection" combineHits="true"
+	      vis="DCVis" insideTrackingVolume="true" limits="dc_limits">
       <envelope>
         <shape type="BooleanShape" operation="Union" material="Air">
           <shape type="Tube" rmin="DC_inner_radius" rmax="DC_outer_radius" dz="DC_half_length+DC_Endcap_dz" />