diff --git a/compact/ecal_barrel_interlayers.xml b/compact/ecal_barrel_interlayers.xml
index c037147ad5cb46a827ebc016f738c223a4d96183..36ee9107d29d902f124c7d7d873d4fad6d1533ee 100644
--- a/compact/ecal_barrel_interlayers.xml
+++ b/compact/ecal_barrel_interlayers.xml
@@ -12,7 +12,7 @@
       To change the number of imaging layers from, e.g., 9 to 6,
       change EcalBarrelImagingLayers_nMax variable
     </comment>
-    <constant name="EcalBarrelImagingLayers_nMax"  value="9"/>
+    <constant name="EcalBarrelImagingLayers_nMax"  value="6"/>
 
     <constant name="EcalBarrel_Support_thickness"    value="5*cm"/>
     <constant name="EcalBarrel_SiliconThickness"     value="500*um"/>