diff --git a/calorimeters/Crystal_example.xml b/calorimeters/Crystal_example.xml
index 1a40a394dba36e3cdfd97f191a918fea99792aa7..ea2327e306450020256cd1865809bfdd1c45038f 100644
--- a/calorimeters/Crystal_example.xml
+++ b/calorimeters/Crystal_example.xml
@@ -65,7 +65,7 @@
 
   <!-- Define detector -->
   <detectors>
-    <detector id="CrystalEndcap_ID" name="ElectronECAL" type="crystal" readout="EcalHits" vis="GreenVis">
+    <detector id="CrystalEndcap_ID" name="ElectronECAL" type="Crystal" readout="EcalHits" vis="GreenVis">
                 <position x="CrystalEndcap_x_pos" y="CrystalEndcap_y_pos" z="CrystalEndcap_z_pos"/>
                 <dimensions rmin="CrystalEndcap_rmin" rmax="CrystalEndcap_rmax" x="CrystalBox_x_length" y="CrystalBox_y_length" z="CrystalBox_z_length"/>
     </detector>