1 files changed, 1 insertions, 0 deletions
diff --git a/Source/Diagnostics/ComputeDiagFunctors/BackTransformParticleFunctor.cpp b/Source/Diagnostics/ComputeDiagFunctors/BackTransformParticleFunctor.cpp
index fc3aee298..efc08375d 100644
--- a/Source/Diagnostics/ComputeDiagFunctors/BackTransformParticleFunctor.cpp
+++ b/Source/Diagnostics/ComputeDiagFunctors/BackTransformParticleFunctor.cpp
@@ -145,6 +145,7 @@ BackTransformParticleFunctor::operator () (PinnedMemoryParticleContainer& pc_dst
                    if (Flag[i] == 1) GetParticleLorentzTransform(dst_data, src_data, i,
                                                                  old_size + IndexLocation[i]);
                 });
+                amrex::Gpu::synchronize();
             }
         }
     }