diff --git a/Reconstruction/egamma/egammaEventTPCnv/src/egDetailContainerCnv_p1.cxx b/Reconstruction/egamma/egammaEventTPCnv/src/egDetailContainerCnv_p1.cxx
index cbeaedbfca49789777e848648155d52032fbf6b5..24ba135e52dc057956109177058ca035bcfb173f 100644
--- a/Reconstruction/egamma/egammaEventTPCnv/src/egDetailContainerCnv_p1.cxx
+++ b/Reconstruction/egamma/egammaEventTPCnv/src/egDetailContainerCnv_p1.cxx
@@ -1,7 +1,7 @@
 ///////////////////////// -*- C++ -*- /////////////////////////////
 
 /*
-  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
+  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 */
 
 // egDetailContainerCnv_p1.cxx 
@@ -22,6 +22,7 @@
 #include "egammaEvent/EMBremFit.h"
 #include "egammaEvent/EMTrackFit.h"
 #include "egammaEvent/EMErrorDetail.h"
+#include "GaudiKernel/GaudiException.h"
 
 #ifdef MSG_DEBUG
 #undef MSG_DEBUG