diff --git a/Detector/FT/include/Detector/FT/FTUtils.h b/Detector/FT/include/Detector/FT/FTUtils.h
index 5e752a430a7f35d041c550c8518e3c41ec5702ef..f4be0998396ec5a2a63db724dbdf8042b90655cc 100644
--- a/Detector/FT/include/Detector/FT/FTUtils.h
+++ b/Detector/FT/include/Detector/FT/FTUtils.h
@@ -19,8 +19,8 @@ namespace FTConstants = LHCb::Detector::FT;
 namespace LHCb::Detector {
   namespace FTUtils {
 
-    /// From global module-ID, retrieve "local" coordinates in a string format useful for monitoring
-    std::string globalModuleToLocalString( const unsigned int globalModuleIdx ) {
+    /// From global module-ID, return a channel ID
+    inline auto globalModuleToChannelID( const unsigned int globalModuleIdx ) {
       unsigned int station, layer, quarter, module, temp_id, temp_station, nModules;
       //---LoH: Detector!442
       station = globalModuleIdx / ( 5 * FTConstants::nQuarters * FTConstants::nLayers );
@@ -43,13 +43,20 @@ namespace LHCb::Detector {
       module =
           temp_id - nModules * ( quarter + FTConstants::nQuarters * ( layer + temp_station * FTConstants::nLayers ) );
       station = station + 1;
+      return FTChannelID( FTChannelID::StationID{ station }, FTChannelID::LayerID{ layer },
+                          FTChannelID::QuarterID{ quarter }, FTChannelID::ModuleID{ module }, 0, 0, 0 );
+    }
 
+    /// From global module-ID, retrieve "local" coordinates in a string format useful for monitoring
+    inline std::string globalModuleToLocalString( const unsigned int globalModuleIdx ) {
+      auto id = globalModuleToChannelID( globalModuleIdx );
       /// Return a string
-      return fmt::format( "T{}L{}Q{}M{}", station, layer, quarter, module );
+      return fmt::format( "T{}L{}Q{}M{}", int( id.station() ), int( id.layer() ), int( id.quarter() ),
+                          int( id.module() ) );
     }
 
     /// From global quarter-ID, retrieve "local" coordinates in a string format useful for monitoring
-    std::string globalQuarterToLocalString( const unsigned int globalQuarterIdx ) {
+    inline std::string globalQuarterToLocalString( const unsigned int globalQuarterIdx ) {
       unsigned int station, layer, quarter;
 
       /// Retrieve the local coordinates
@@ -63,7 +70,7 @@ namespace LHCb::Detector {
     }
 
     /// From "local" coordinates in a string format, retrieve global module ID.
-    unsigned int fromLocalStringToGlobalModule( const std::string local_coords ) {
+    inline unsigned int fromLocalStringToGlobalModule( const std::string local_coords ) {
 
       int          count       = 0;
       unsigned int temp_arr[4] = { 0 };
diff --git a/Detector/FT/src/DeFT.cpp b/Detector/FT/src/DeFT.cpp
index dfda430d11ed983ab265ba3e2f8335123aa5c948..62fe93e4da342ce72cca1615c2191d02c3c829e4 100644
--- a/Detector/FT/src/DeFT.cpp
+++ b/Detector/FT/src/DeFT.cpp
@@ -214,8 +214,12 @@ LHCb::Detector::detail::DeFTMatObject::DeFTMatObject( const dd4hep::DetElement&
   const std::string contractionConditionName = getContractionConditionName();
   m_matContractionCondition = ctxt.condition( dd4hep::ConditionKey::KeyMaker( deFT, "matContraction" ).hash );
   auto& params              = m_matContractionCondition.get<nlohmann::json>();
-  if ( params.find( contractionConditionName ) != params.end() ) {
-    m_matContractionParameterVector = params[contractionConditionName].get<std::vector<double>>();
+  if ( auto it = params.find( contractionConditionName ); it != params.end() ) {
+    m_matContractionParameterVector = it->get<std::vector<double>>();
+    if ( m_matContractionParameterVector.size() != FTConstants::nChannels * FTConstants::nSiPM ) {
+      dd4hep::printout( dd4hep::ERROR, "Length of MatContractionParameterVector is incorrect %s",
+                        std::to_string( m_matContractionParameterVector.size() ).c_str() );
+    }
   } else {
     dd4hep::printout( dd4hep::DEBUG,
                       "Unable to find FT condition %s. It will not be possible to correct for temperature distortions.",