diff --git a/RecoLocalTracker/SiPixelRecHits/plugins/SiPixelRecHitCUDA.cc b/RecoLocalTracker/SiPixelRecHits/plugins/SiPixelRecHitCUDA.cc
index 2ec203819731b..1641719d0537d 100644
--- a/RecoLocalTracker/SiPixelRecHits/plugins/SiPixelRecHitCUDA.cc
+++ b/RecoLocalTracker/SiPixelRecHits/plugins/SiPixelRecHitCUDA.cc
@@ -96,6 +96,12 @@ void SiPixelRecHitCUDA::produce(edm::StreamID streamID, edm::Event& iEvent, cons
   iEvent.getByToken(tBeamSpot, hbs);
   auto const& bs = ctx.get(*hbs);
 
+  auto nHits = clusters.nClusters();
+  if (nHits >= TrackingRecHit2DSOAView::maxHits()) {
+    edm::LogWarning("PixelRecHitGPUKernel")
+        << "Clusters/Hits Overflow " << nHits << " >= " << TrackingRecHit2DSOAView::maxHits();
+  }
+
   ctx.emplace(iEvent,
               tokenHit_,
               gpuAlgo_.makeHitsAsync(digis, clusters, bs, fcpe->getGPUProductAsync(ctx.stream()), ctx.stream()));