From 76c294a7bae149e9e52b980396a4265c77d3d2d1 Mon Sep 17 00:00:00 2001
From: Christoph Lehner <christoph@lhnr.de>
Date: Tue, 8 Mar 2022 13:55:16 +0100
Subject: [PATCH] open bc fix

---
 .../CompactWilsonCloverFermionImplementation.h               | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Grid/qcd/action/fermion/implementation/CompactWilsonCloverFermionImplementation.h b/Grid/qcd/action/fermion/implementation/CompactWilsonCloverFermionImplementation.h
index 3dfcb133..4e534f6e 100644
--- a/Grid/qcd/action/fermion/implementation/CompactWilsonCloverFermionImplementation.h
+++ b/Grid/qcd/action/fermion/implementation/CompactWilsonCloverFermionImplementation.h
@@ -64,8 +64,11 @@ CompactWilsonCloverFermion<Impl>::CompactWilsonCloverFermion(GaugeField& _Umu,
     csw_r /= clover_anisotropy.xi_0;
 
   ImportGauge(_Umu);
-  if (open_boundaries)
+  if (open_boundaries) {
+    this->BoundaryMaskEven.Checkerboard() = Even;
+    this->BoundaryMaskOdd.Checkerboard() = Odd;
     CompactHelpers::SetupMasks(this->BoundaryMask, this->BoundaryMaskEven, this->BoundaryMaskOdd);
+  }
 }
 
 template<class Impl>