diff --git a/lib/qcd/utils/GaugeFix.h b/lib/qcd/utils/GaugeFix.h
index f2ea1aa2..c4ea31aa 100644
--- a/lib/qcd/utils/GaugeFix.h
+++ b/lib/qcd/utils/GaugeFix.h
@@ -26,6 +26,8 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
     /*  END LEGAL */
 //#include <Grid/Grid.h>
 
+#ifndef GRID_QCD_GAUGE_FIX_H
+#define GRID_QCD_GAUGE_FIX_H
 namespace Grid {
 namespace QCD {
 
@@ -188,3 +190,4 @@ class FourierAcceleratedGaugeFixer  : public Gimpl {
 
 }
 }
+#endif
diff --git a/tests/core/Test_fft_gfix.cc b/tests/core/Test_fft_gfix.cc
index 9732eb85..916c4b0b 100644
--- a/tests/core/Test_fft_gfix.cc
+++ b/tests/core/Test_fft_gfix.cc
@@ -28,6 +28,9 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
     /*  END LEGAL */
 #include <Grid/Grid.h>
 
+using namespace Grid;
+using namespace Grid::QCD;
+
 int main (int argc, char ** argv)
 {
   std::vector<int> seeds({1,2,3,4});
@@ -82,6 +85,7 @@ int main (int argc, char ** argv)
 
   Uorg = Uorg - Umu;
   std::cout << " Norm Difference "<< norm2(Uorg) << std::endl;
+  std::cout << " Norm "<< norm2(Umu) << std::endl;
 
 
   std::cout<< "*****************************************************************" <<std::endl;