diff --git a/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadCscDigit.cxx b/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadCscDigit.cxx
index 0919a56cda27a86bc15c3380ff5f7d95b9da4976..cdd9ad0989009c6dfb395c8c27abcfa372529aff 100644
--- a/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadCscDigit.cxx
+++ b/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadCscDigit.cxx
@@ -117,7 +117,7 @@ StatusCode ReadCscDigit::accessNtuple()
   m_NtupleLocID = "/NTUPLES" + m_NtupleLocID ;
 
   //try to access it  
-  NTuplePtr nt(ntupleService(), m_NtupleLocID );
+  NTuplePtr nt(ntupleSvc(), m_NtupleLocID );
 
   if (static_cast<int>(nt))
     {
diff --git a/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadMdtDigit.cxx b/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadMdtDigit.cxx
index c0ac9bae2709c6bbdc1609bd9f5a718706156fb3..92a3811cfcbb53a901960a528216229c555e1472 100644
--- a/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadMdtDigit.cxx
+++ b/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadMdtDigit.cxx
@@ -140,7 +140,7 @@ StatusCode ReadMdtDigit::accessNtuple()
   m_NtupleLocID = "/NTUPLES" + m_NtupleLocID ;
 
   //try to access it  
-  NTuplePtr nt(ntupleService(), m_NtupleLocID );
+  NTuplePtr nt(ntupleSvc(), m_NtupleLocID );
 
   if ((int) nt)     {
      m_ntuplePtr=nt;
diff --git a/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadMdtPRD.cxx b/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadMdtPRD.cxx
index 2e630fdaeab77a566fb246701dc554a5f6c32a7a..11454027a4d68e17c3eded83dc39539b7f7f125b 100644
--- a/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadMdtPRD.cxx
+++ b/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadMdtPRD.cxx
@@ -139,7 +139,7 @@ StatusCode ReadMdtPRD::accessNtuple() {
   m_NtupleLocID = "/NTUPLES" + m_NtupleLocID ;
 
   //try to access it  
-  NTuplePtr nt(ntupleService(), m_NtupleLocID );
+  NTuplePtr nt(ntupleSvc(), m_NtupleLocID );
 
   if ((int) nt)     {
      m_ntuplePtr=nt;
diff --git a/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadMdtRDO.cxx b/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadMdtRDO.cxx
index f1d41fe40053397833c66da94295a0c15d9593e5..db728541302de4fde68d7bb30974c4d14e46f281 100644
--- a/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadMdtRDO.cxx
+++ b/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadMdtRDO.cxx
@@ -148,7 +148,7 @@ StatusCode ReadMdtRDO::accessNtuple() {
   m_NtupleLocID = "/NTUPLES" + m_NtupleLocID ;
 
   //try to access it  
-  NTuplePtr nt(ntupleService(), m_NtupleLocID );
+  NTuplePtr nt(ntupleSvc(), m_NtupleLocID );
 
   if ((int) nt)     {
      m_ntuplePtr=nt;
diff --git a/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadRpcDigit.cxx b/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadRpcDigit.cxx
index 00eaf5ffbbeefde6d2a7fc44f81fade8b7eb9ad1..84141927e5aa49e205db4e8450a5485d24c567da 100644
--- a/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadRpcDigit.cxx
+++ b/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadRpcDigit.cxx
@@ -135,7 +135,7 @@ StatusCode ReadRpcDigit::finalize()
 StatusCode ReadRpcDigit::accessNtuple() 
 {
   //try to access it  
-  NTuplePtr nt(ntupleService(),"/NTUPLES"+m_NtupleLocID);
+  NTuplePtr nt(ntupleSvc(),"/NTUPLES"+m_NtupleLocID);
   
   if (nt) 
     {
diff --git a/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadRpcRDO.cxx b/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadRpcRDO.cxx
index 8d6075fb80317315b55f78f79f79eb9d6f0ad0bd..bfe2d114687a932025b64609ad06f73d4e478ab9 100644
--- a/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadRpcRDO.cxx
+++ b/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadRpcRDO.cxx
@@ -157,7 +157,7 @@ StatusCode ReadRpcRDO::accessNtuple()
   m_NtupleLocID = "/NTUPLES" + m_NtupleLocID ;
 
   //try to access it  
-  NTuplePtr nt(ntupleService(), m_NtupleLocID );
+  NTuplePtr nt(ntupleSvc(), m_NtupleLocID );
 
   if ((int) nt)     {
      m_ntuplePtr=nt;
diff --git a/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadTgcDigit.cxx b/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadTgcDigit.cxx
index 920b03466438cdcf345dddfeb3346e8365cbf005..8bfc1918bedfca3cacea65a51d9388d21f0394e8 100644
--- a/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadTgcDigit.cxx
+++ b/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadTgcDigit.cxx
@@ -140,7 +140,7 @@ StatusCode ReadTgcDigit::accessNtuple()
   m_NtupleLocID = "/NTUPLES" + m_NtupleLocID ;
 
   //try to access it  
-  NTuplePtr nt(ntupleService(), m_NtupleLocID );
+  NTuplePtr nt(ntupleSvc(), m_NtupleLocID );
 
   if (static_cast<int>(nt))
     {
diff --git a/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadTgcRDO.cxx b/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadTgcRDO.cxx
index 5ae550983691ad402450ecd30c65e218d022fd25..6946077d68fed06549f01b29f47998899d4d1fe6 100644
--- a/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadTgcRDO.cxx
+++ b/MuonSpectrometer/MuonCnv/MuonByteStreamCnvTest/src/ReadTgcRDO.cxx
@@ -166,7 +166,7 @@ StatusCode ReadTgcRDO::accessNtuple()
   m_NtupleLocID = "/NTUPLES" + m_NtupleLocID;
 
   //try to access it  
-  NTuplePtr nt(ntupleService(), m_NtupleLocID );
+  NTuplePtr nt(ntupleSvc(), m_NtupleLocID );
 
   if ((int) nt)
     {