diff --git a/dd4hepplugins/examples/geometry/drich_1sector.xml b/dd4hepplugins/examples/geometry/drich_1sector.xml
index 9ef58ecc6..35eae1a3e 100644
--- a/dd4hepplugins/examples/geometry/drich_1sector.xml
+++ b/dd4hepplugins/examples/geometry/drich_1sector.xml
@@ -59,6 +59,10 @@
 <constant name="DRICH_debug_sensors"   value="0"/>
 </define>
 
+<regions>
+  <region name="DRICHRegion"/>
+</regions>
+
 
 <detectors>
 
@@ -71,6 +75,7 @@
   id="ForwardRICH_ID"
   name="DRICH"
   type="epic_DRICH"
+  region="DRICHRegion"
   readout="DRICHHits"
   gas="C2F6_DRICH"
   material="Aluminum"