diff --git a/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/CalorimeterDefinitions.h b/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/CalorimeterDefinitions.h
index 58998bf72a54f..26b8838c46c62 100644
--- a/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/CalorimeterDefinitions.h
+++ b/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/CalorimeterDefinitions.h
@@ -1,6 +1,8 @@
 #ifndef RecoParticleFlow_PFRecHitProducer_interface_alpaka_CalorimeterDefinitions_h
 #define RecoParticleFlow_PFRecHitProducer_interface_alpaka_CalorimeterDefinitions_h
 
+#include <limits>
+
 #include "DataFormats/DetId/interface/DetId.h"
 #include "DataFormats/EcalDetId/interface/EcalSubdetector.h"
 #include "DataFormats/EcalRecHit/interface/EcalRecHit.h"
@@ -97,6 +99,8 @@ namespace ALPAKA_ACCELERATOR_NAMESPACE::particleFlowRecHitProducer {
       return retval + kSizeBarrel;
     }
 
+    static constexpr uint32_t kInvalidDenseId = std::numeric_limits<uint32_t>::max();
+
     static constexpr uint32_t detId2denseId(uint32_t detId) {
       const uint32_t subdet = getSubdet(detId);
       if (subdet == HcalBarrel)
@@ -105,7 +109,7 @@ namespace ALPAKA_ACCELERATOR_NAMESPACE::particleFlowRecHitProducer {
         return detId2denseIdHE(detId);
 
       printf("invalid detId: %u\n", detId);
-      return -1;
+      return kInvalidDenseId;
     }
   };
 
@@ -181,6 +185,8 @@ namespace ALPAKA_ACCELERATOR_NAMESPACE::particleFlowRecHitProducer {
 
     static constexpr bool checkFlag(uint32_t flagBits, int flag) { return flagBits & (0x1 << flag); }
 
+    static constexpr uint32_t kInvalidDenseId = std::numeric_limits<uint32_t>::max();
+
     static constexpr uint32_t detId2denseId(uint32_t detId) {
       const uint32_t subdet = getSubdet(detId);
       if (subdet == EcalBarrel)
@@ -189,7 +195,7 @@ namespace ALPAKA_ACCELERATOR_NAMESPACE::particleFlowRecHitProducer {
         return Barrel::kSize + Endcap::denseIndex(detId);
 
       printf("invalid detId: %u\n", detId);
-      return 0;
+      return kInvalidDenseId;
     }
 
     static constexpr bool detIdInRange(uint32_t detId) {
diff --git a/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/PFRecHitProducerKernel.dev.cc b/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/PFRecHitProducerKernel.dev.cc
index e0bdbab4e2b48..48230571b7d54 100644
--- a/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/PFRecHitProducerKernel.dev.cc
+++ b/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/PFRecHitProducerKernel.dev.cc
@@ -152,7 +152,7 @@ namespace ALPAKA_ACCELERATOR_NAMESPACE {
         for (uint32_t n = 0; n < 8; n++) {
           pfRecHits.neighbours(i)(n) = -1;
           const uint32_t denseId_neighbour = topology.neighbours(denseId)(n);
-          if (denseId_neighbour != 0xffffffff) {
+          if (denseId_neighbour != CAL::kInvalidDenseId) {
             const uint32_t pfRecHit_neighbour = denseId2pfRecHit[denseId_neighbour];
             if (pfRecHit_neighbour != 0xffffffff)
               pfRecHits.neighbours(i)(n) = (int32_t)pfRecHit_neighbour;
diff --git a/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/PFRecHitTopologyESProducer.cc b/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/PFRecHitTopologyESProducer.cc
index eccaaf520ae16..29ff85b6269d9 100644
--- a/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/PFRecHitTopologyESProducer.cc
+++ b/RecoParticleFlow/PFRecHitProducer/plugins/alpaka/PFRecHitTopologyESProducer.cc
@@ -96,7 +96,7 @@ namespace ALPAKA_ACCELERATOR_NAMESPACE {
             if (CAL::detIdInRange(neighDetId))
               view.neighbours(denseId)(n) = CAL::detId2denseId(neighDetId);
             else
-              view.neighbours(denseId)(n) = 0xffffffff;
+              view.neighbours(denseId)(n) = CAL::kInvalidDenseId;
           }
         }
       }
@@ -107,13 +107,13 @@ 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)
+              if (view.neighbours(denseId)[n] == CAL::kInvalidDenseId)
                 continue;
               const ::reco::PFRecHitsTopologyNeighbours& neighboursOfNeighbour =
                   view.neighbours(view.neighbours(denseId)[n]);
               if (std::find(neighboursOfNeighbour.begin(), neighboursOfNeighbour.end(), denseId) ==
                   neighboursOfNeighbour.end())
-                view.neighbours(denseId)[n] = 0xffffffff;
+                view.neighbours(denseId)[n] = CAL::kInvalidDenseId;
             }
           }
       }