diff --git a/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/PFRecHitTopologyESProducer.cc b/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/PFRecHitTopologyESProducer.cc
index f94db2aecc362..33abb62375707 100644
--- a/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/PFRecHitTopologyESProducer.cc
+++ b/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/PFRecHitTopologyESProducer.cc
@@ -104,6 +104,8 @@ namespace ALPAKA_ACCELERATOR_NAMESPACE {
           for (auto const detId : geom.getValidDetIds(CAL::kDetectorId, subdet)) {
             const uint32_t denseId = CAL::detId2denseId(detId);
             for (uint32_t n = 0; n < 8; n++) {
+              if (view.neighbours(denseId)[n] == 0xffffffff)
+                continue;
               const ::reco::PFRecHitsTopologyNeighbours& neighboursOfNeighbour =
                   view.neighbours(view.neighbours(denseId)[n]);
               if (std::find(neighboursOfNeighbour.begin(), neighboursOfNeighbour.end(), denseId) ==