diff --git a/MuonSpectrometer/MuonConditions/MuonCondGeneral/MuonCondSvc/src/NSWCondUtils.cxx b/MuonSpectrometer/MuonConditions/MuonCondGeneral/MuonCondSvc/src/NSWCondUtils.cxx
index c592a4d974aec8c1abf2477283c98ebe1c9e9b01..efb5fe3edd696d79dc19726a79fe232b21ebd5a2 100644
--- a/MuonSpectrometer/MuonConditions/MuonCondGeneral/MuonCondSvc/src/NSWCondUtils.cxx
+++ b/MuonSpectrometer/MuonConditions/MuonCondGeneral/MuonCondSvc/src/NSWCondUtils.cxx
@@ -107,6 +107,8 @@ namespace MuonCalib{
         tmp_str = tokens[ival++];
         sscanf(tmp_str.c_str(),"%80f",&bp);
         tmp_str = tokens[ival++];
+        sscanf(tmp_str.c_str(),"%80f",&bn);
+        tmp_str = tokens[ival++];
         sscanf(tmp_str.c_str(),"%80f",&sp);
         tmp_str = tokens[ival++];
         sscanf(tmp_str.c_str(),"%80f",&sn);