diff --git a/arithmetization/src/main/java/net/consensys/linea/zktracer/module/rlp/txn/RlpTxnChunk.java b/arithmetization/src/main/java/net/consensys/linea/zktracer/module/rlp/txn/RlpTxnChunk.java
index 6158cb22c4..c49c700fd2 100644
--- a/arithmetization/src/main/java/net/consensys/linea/zktracer/module/rlp/txn/RlpTxnChunk.java
+++ b/arithmetization/src/main/java/net/consensys/linea/zktracer/module/rlp/txn/RlpTxnChunk.java
@@ -113,7 +113,7 @@ protected int computeLineCount() {
 
     // Phase AccessList
     if (txType == 1 || txType == 2) {
-      if (this.tx.getAccessList().orElseThrow().isEmpty()) {
+      if (this.tx.getAccessList().isEmpty() || this.tx.getAccessList().get().isEmpty()) {
         rowSize += 1;
       } else {
         // Rlp prefix of the AccessList list