diff --git a/DDCore/include/DD4hep/detail/SegmentationsInterna.h b/DDCore/include/DD4hep/detail/SegmentationsInterna.h
index a43606b33d4de88a4c76b409d1e29cae5d2ee2bc..bdc37f499943ede157aef5589b863f2e8218cbdf 100644
--- a/DDCore/include/DD4hep/detail/SegmentationsInterna.h
+++ b/DDCore/include/DD4hep/detail/SegmentationsInterna.h
@@ -46,7 +46,7 @@ namespace dd4hep {
   class SegmentationObject {
   public:
     /// Standard constructor
-    SegmentationObject(DDSegmentation::Segmentation* s = 0);
+    SegmentationObject(DDSegmentation::Segmentation* seg = 0);
     /// Default destructor
     virtual ~SegmentationObject();
     /// Access the encoding string