diff --git a/be-graphes-model/src/main/java/org/insa/graphs/model/Path.java b/be-graphes-model/src/main/java/org/insa/graphs/model/Path.java
index 63db68f..c791286 100644
--- a/be-graphes-model/src/main/java/org/insa/graphs/model/Path.java
+++ b/be-graphes-model/src/main/java/org/insa/graphs/model/Path.java
@@ -115,7 +115,7 @@ public class Path {
      *         map do not match, or the end of a path is not the beginning of the
      *         next).
      */
-    public static Path concatenate(int indice, Path... paths) throws IllegalArgumentException {
+    public static Path concatenate(Path... paths) throws IllegalArgumentException {
         if (paths.length == 0) {
             throw new IllegalArgumentException("Cannot concatenate an empty list of paths.");
         }
@@ -128,7 +128,7 @@ public class Path {
         }
         ArrayList<Arc> arcs = new ArrayList<>();
         for (Path path: paths) {
-            arcs.addAll(indice, path.getArcs());
+            arcs.addAll(path.getArcs());
         }
         Path path = new Path(paths[0].getGraph(), arcs);
         if (!path.isValid()) {