diff --git a/src/particles/TileSort.cpp b/src/particles/TileSort.cpp
index 74d51e6dbd..4a6fbde87d 100644
--- a/src/particles/TileSort.cpp
+++ b/src/particles/TileSort.cpp
@@ -31,7 +31,7 @@ findParticlesInEachTile (
 
         // Find the particles that are in each tile and return collections of indices per tile.
         bins.build(
-            pti.numParticles(), pti.GetArrayOfStructs().begin(), cbx,
+            amrex::BinPolicy::OpenMP, pti.numParticles(), pti.GetArrayOfStructs().begin(), cbx,
             // Pass lambda function that returns the tile index
             [=] AMREX_GPU_HOST_DEVICE (const PlasmaParticleContainer::ParticleType& p)
             noexcept -> amrex::IntVect