diff --git a/source/Refitting/src/RefitProcessor.cc b/source/Refitting/src/RefitProcessor.cc
index e6fff06..3ef22b9 100644
--- a/source/Refitting/src/RefitProcessor.cc
+++ b/source/Refitting/src/RefitProcessor.cc
@@ -207,12 +207,11 @@ void RefitProcessor::processEvent( LCEvent * evt ) {
     LCFlagImpl trkFlag(0) ;
     trkFlag.setBit( LCIO::TRBIT_HITS ) ;
     trackVec->setFlag( trkFlag.getFlag()  ) ;
-    
-    // establish the track relations collection that will be created 
-    LCCollectionVec* trackRelVec = new LCCollectionVec( LCIO::LCRELATION )  ;
-    
+
+    // establish the track relations collection that will be created
+    auto trackRelNav = UTIL::LCRelationNavigator(LCIO::TRACK, LCIO::MCPARTICLE);
+
     int nTracks = input_track_col->getNumberOfElements()  ;
-    
     streamlog_out(DEBUG4) << "Processing input collection " << _input_track_col_name << " with " << nTracks << " tracks\n";
     
     // loop over the input tacks and refit using KalTest    
@@ -394,25 +393,17 @@ void RefitProcessor::processEvent( LCEvent * evt ) {
       
       // assign the relations previously assigned to the input tracks  
       if(input_track_rels){
-        LCObjectVec objVec = input_track_rels->getRelatedToObjects( track_to_refit );
-        FloatVec weights   = input_track_rels->getRelatedToWeights( track_to_refit );
+        const auto& objVec = input_track_rels->getRelatedToObjects( track_to_refit );
+        const auto& weights   = input_track_rels->getRelatedToWeights( track_to_refit );
         
         for( unsigned int irel=0 ; irel < objVec.size() ; ++irel ){
-          
-          LCRelationImpl* rel = new LCRelationImpl ;
-          rel->setFrom (refittedTrack) ;
-          rel->setTo ( objVec[irel] ) ;
-          rel->setWeight(weights[irel]) ;
-          trackRelVec->addElement( rel );
-          
+          trackRelNav.addRelation(refittedTrack, objVec[irel], weights[irel]);
         }
       }
-      
-      
-      
-    } 
+    }
     
     evt->addCollection( trackVec , _output_track_col_name) ;
+    auto trackRelVec = trackRelNav.createLCCollection();
     evt->addCollection( trackRelVec , _output_track_rel_name) ;
   }
   ++_n_evt ;