diff --git a/mithril-test-lab/benchmark/aggregator-prover/benchmark-aggregator-prover.sh b/mithril-test-lab/benchmark/aggregator-prover/benchmark-aggregator-prover.sh
index e4f86d9fc11..c6ef9dcf373 100755
--- a/mithril-test-lab/benchmark/aggregator-prover/benchmark-aggregator-prover.sh
+++ b/mithril-test-lab/benchmark/aggregator-prover/benchmark-aggregator-prover.sh
@@ -117,7 +117,7 @@ RUN_STRESS_TEST() {
     TMP_FILE="test.tmp"
     echo ">> [#$INDEX_RUN/$TOTAL_RUN] Running stress test with $AB_TOTAL_REQUESTS requests with $TRANSACTIONS_PER_REQUEST transactions per request and $AB_CONCURRENCY concurrency"
     TRANSACTIONS_LIST=$(head -n $TRANSACTIONS_PER_REQUEST "$TRANSACTIONS_FILE" | tr "\n" ",")
-    AGGREGATOR_PROVER_URL="${AGGREGATOR_ENDPOINT}${AGGREGATOR_PROVER_ROUTE}?transaction_hashes=$TRANSACTIONS_LIST"
+    AGGREGATOR_PROVER_URL="${AGGREGATOR_ENDPOINT}${AGGREGATOR_PROVER_ROUTE}?transaction_hashes=${TRANSACTIONS_LIST::-1}"
     if ab -n $AB_TOTAL_REQUESTS -c $AB_CONCURRENCY -s "$AB_TIMEOUT" "$AGGREGATOR_PROVER_URL" > $TMP_FILE ; then
         REQUESTS_PER_SECOND=$(cat $TMP_FILE | awk '/Requests per second:/ {print $4}')
         if [[ $INDEX_RUN -eq 1 ]] ; then
diff --git a/mithril-test-lab/benchmark/aggregator-prover/transactions-mainnet.txt b/mithril-test-lab/benchmark/aggregator-prover/transactions-mainnet.txt
index 0249c27fef7..aa5b881a05f 100644
--- a/mithril-test-lab/benchmark/aggregator-prover/transactions-mainnet.txt
+++ b/mithril-test-lab/benchmark/aggregator-prover/transactions-mainnet.txt
@@ -47,7 +47,7 @@
 2a30ab552d4cba84f76b733e047341a1f6f1db2c188ab76c9b1f3e57b3691dae
 2a30ac372b3a576c98821a8288de0fc127000fa2d9d1440d30bec47d0c1469c1
 32a2e5af7ba3c335b7ad41726d9184785b1d250ec5d6bd8c47344c80b93b93ec
-test123
+0000000000000000000000000000000000000000000000000000000000000000
 32a2e5c227e5d65cfbbdb7271a6fedc4c6955b8f981222bf3be438f56106e872
 32a2e5db86820448e1b40b290700c137ea9d1910648011348f10b8bf72556c34
 32a2e5f34106865cf37de2621a886a59de36f8e684d9531ccee32d89f5b6f5ec
@@ -97,4 +97,4 @@ test123
 6fb1c935c2b1aee31e360b339e078ba975e5d53eb222cd0e4ac90b047e78ca1d
 6fb1c96508e533135114c92f314aef4defa81fbf134cb635f25ec5409569d909
 6fb1c9b7c5df86b6ef4df4cb1b7267eb84f1f8c544f44b08788c6007e3dcd6e0
-test456
+1111111111111111111111111111111111111111111111111111111111111111