diff --git a/examples/ILDExDet/src/AhcalBarrelCalorimeter_geo.cpp b/examples/ILDExDet/src/AhcalBarrelCalorimeter_geo.cpp
index 8a5759cd8c9e59be59fa460eca6da8b49df7e330..d4723aece4ddee6a463a19c5be8d0b7c6bb53165 100644
--- a/examples/ILDExDet/src/AhcalBarrelCalorimeter_geo.cpp
+++ b/examples/ILDExDet/src/AhcalBarrelCalorimeter_geo.cpp
@@ -73,7 +73,7 @@ static Ref_t create_detector(LCDD& lcdd, xml_h element, SensitiveDetector sens)
   // ==========================================================================
 
   // Hcal Barrel module shapers
-  PolyhedraRegular polyhedra_shaper("polyhedra",numSides,Hcal_inner_radius,Hcal_module_radius,detZ*2.);
+  PolyhedraRegular polyhedra_shaper(numSides,Hcal_inner_radius,Hcal_module_radius,detZ*2.);
   Tube             tube_shaper(0.,Hcal_outer_radius, detZ, 0., 2.*M_PI);
   
   // keep the envelope rotation as the same as the stave