diff --git a/Detectors/ITSMFT/ITS/tracking/src/TrackerTraits.cxx b/Detectors/ITSMFT/ITS/tracking/src/TrackerTraits.cxx
index 81d5f5056016b..3a58ad1c000b7 100644
--- a/Detectors/ITSMFT/ITS/tracking/src/TrackerTraits.cxx
+++ b/Detectors/ITSMFT/ITS/tracking/src/TrackerTraits.cxx
@@ -718,7 +718,8 @@ void TrackerTraits<nLayers>::processNeighbours(int iLayer, int iLevel, const bou
 template <int nLayers>
 void TrackerTraits<nLayers>::findRoads(const int iteration)
 {
-  std::vector<std::vector<int>> firstClusters, sharedFirstClusters;
+  bounded_vector<bounded_vector<int>> firstClusters(mTrkParams[iteration].NLayers, bounded_vector<int>(mMemoryPool.get()), mMemoryPool.get());
+  bounded_vector<bounded_vector<int>> sharedFirstClusters(mTrkParams[iteration].NLayers, bounded_vector<int>(mMemoryPool.get()), mMemoryPool.get());
   firstClusters.resize(mTrkParams[iteration].NLayers);
   sharedFirstClusters.resize(mTrkParams[iteration].NLayers);
   for (int startLevel{mTrkParams[iteration].CellsPerRoad()}; startLevel >= mTrkParams[iteration].CellMinimumLevel(); --startLevel) {