diff --git a/Grid/qcd/action/fermion/implementation/WilsonFermion5DImplementation.h b/Grid/qcd/action/fermion/implementation/WilsonFermion5DImplementation.h
index 1ed86c7c..4503dd31 100644
--- a/Grid/qcd/action/fermion/implementation/WilsonFermion5DImplementation.h
+++ b/Grid/qcd/action/fermion/implementation/WilsonFermion5DImplementation.h
@@ -462,8 +462,8 @@ void WilsonFermion5D<Impl>::DhopInternalDirichletComms(StencilImpl & st, Lebesgu
   } else {
     Kernels::DhopKernel   (Opt,st,U,st.CommBuf(),LLs,U.oSites(),in,out,1,0);
   }
+  accelerator_barrier();
   DhopComputeTime+=usecond();
-
 }