diff --git a/lib/qcd/utils/CovariantCshift.h b/lib/qcd/utils/CovariantCshift.h
index 0c621069..e090f497 100644
--- a/lib/qcd/utils/CovariantCshift.h
+++ b/lib/qcd/utils/CovariantCshift.h
@@ -20,3 +20,4 @@ template<class covariant,class gauge> Lattice<covariant> CovShiftBackward(const
   return Cshift(tmp,mu,-1);// moves towards positive mu
 }
 }}
+#endif