diff --git a/java/src/main/java/org/softwareheritage/graph/utils/ReadLabelledGraph.java b/java/src/main/java/org/softwareheritage/graph/utils/ReadLabelledGraph.java
index 28d7e58..5380bb8 100644
--- a/java/src/main/java/org/softwareheritage/graph/utils/ReadLabelledGraph.java
+++ b/java/src/main/java/org/softwareheritage/graph/utils/ReadLabelledGraph.java
@@ -1,41 +1,42 @@
 package org.softwareheritage.graph.utils;
 
+import it.unimi.dsi.big.util.FrontCodedStringBigList;
 import it.unimi.dsi.big.util.PermutedFrontCodedStringBigList;
 import it.unimi.dsi.big.webgraph.labelling.ArcLabelledImmutableGraph;
 import it.unimi.dsi.big.webgraph.labelling.ArcLabelledNodeIterator;
 import it.unimi.dsi.big.webgraph.labelling.BitStreamArcLabelledImmutableGraph;
 import it.unimi.dsi.fastutil.io.BinIO;
 import org.softwareheritage.graph.labels.DirEntry;
 import org.softwareheritage.graph.maps.NodeIdMap;
 
 import java.io.IOException;
 
 public class ReadLabelledGraph {
     public static void main(String[] args) throws IOException, ClassNotFoundException {
         String graphPath = args[0];
 
         ArcLabelledImmutableGraph graph = BitStreamArcLabelledImmutableGraph.loadOffline(graphPath + "-labelled");
         NodeIdMap nodeMap = new NodeIdMap(graphPath, graph.numNodes());
-        PermutedFrontCodedStringBigList filenameMap = (PermutedFrontCodedStringBigList) BinIO
+        FrontCodedStringBigList filenameMap = (FrontCodedStringBigList) BinIO
                 .loadObject(graphPath + "-labels.fcl");
 
         ArcLabelledNodeIterator it = graph.nodeIterator();
         while (it.hasNext()) {
             long srcNode = it.nextLong();
 
             ArcLabelledNodeIterator.LabelledArcIterator s = it.successors();
             long dstNode;
             while ((dstNode = s.nextLong()) >= 0) {
                 DirEntry[] labels = (DirEntry[]) s.label().get();
                 if (labels.length > 0) {
                     for (DirEntry label : labels) {
                         System.out.format("%s %s %s %d\n", nodeMap.getSWHID(srcNode), nodeMap.getSWHID(dstNode),
                                 filenameMap.get(label.filenameId), label.permission);
                     }
                 } else {
                     System.out.format("%s %s\n", nodeMap.getSWHID(srcNode), nodeMap.getSWHID(dstNode));
                 }
             }
         }
     }
 }