From c3f226775f24508b93a758e4226a51ae386d76a5 Mon Sep 17 00:00:00 2001
From: FlorianHuc <florian.huc@gmail.com>
Date: Fri, 19 Jan 2024 08:50:33 +0100
Subject: [PATCH] fix stackedSet

---
 .../linea/zktracer/container/stacked/set/StackedSet.java        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arithmetization/src/main/java/net/consensys/linea/zktracer/container/stacked/set/StackedSet.java b/arithmetization/src/main/java/net/consensys/linea/zktracer/container/stacked/set/StackedSet.java
index 5f938b20b1..29541a8539 100644
--- a/arithmetization/src/main/java/net/consensys/linea/zktracer/container/stacked/set/StackedSet.java
+++ b/arithmetization/src/main/java/net/consensys/linea/zktracer/container/stacked/set/StackedSet.java
@@ -121,7 +121,7 @@ public <T> T[] toArray(@NotNull T[] a) {
 
   @Override
   public boolean add(E e) {
-    final boolean isNew = this.sets.peek().add(e);
+    final boolean isNew = this.sets.peekLast().add(e);
     if (isNew) {
       occurrences.put(e, occurrences.getOrDefault(e, 0) + 1);
     }