1 files changed, 3 insertions, 0 deletions
diff --git a/Source/Particles/PhysicalParticleContainer.cpp b/Source/Particles/PhysicalParticleContainer.cpp
index d21ad2247..2891cada3 100644
--- a/Source/Particles/PhysicalParticleContainer.cpp
+++ b/Source/Particles/PhysicalParticleContainer.cpp
@@ -1122,6 +1122,9 @@ PhysicalParticleContainer::FieldGather (int lev,
                                        costarr(i,j,k) += wt;
                                    });
             }
+            // synchronize avoids cudaStreams from over-writing the temporary arrays used to
+            // store positions
+            Gpu::synchronize();
         }
     }
 }