diff --git a/Reconstruction/RecoTools/CaloRingerTools/src/CaloRingerElectronsReader.cxx b/Reconstruction/RecoTools/CaloRingerTools/src/CaloRingerElectronsReader.cxx
index 947d70a098b5cc2ef399bc95c2c851bd1687134a..fad621635042c87451f1e7196f2753a1197c6f46 100644
--- a/Reconstruction/RecoTools/CaloRingerTools/src/CaloRingerElectronsReader.cxx
+++ b/Reconstruction/RecoTools/CaloRingerTools/src/CaloRingerElectronsReader.cxx
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2002-2017, 2019 CERN for the benefit of the ATLAS collaboration
+  Copyright (C) 2002-2017, 2019, 2020 CERN for the benefit of the ATLAS collaboration
 */
 
 // $Id: CaloRingerElectronsReader.cxx 786306 2016-11-24 13:40:42Z wsfreund $
@@ -121,6 +121,7 @@ StatusCode CaloRingerElectronsReader::execute()
       m_clRingsBuilderElectronFctor->operator()( electron );
     }
 
+    m_clRingsBuilderElectronFctor->checkRelease();
   }
 
   StatusCode sc;