diff --git a/c++/triqs_dft_tools/converters/vasp/dos_tetra3d.cpp b/c++/triqs_dft_tools/converters/vasp/dos_tetra3d.cpp
index e1ab4173..0e4e7488 100644
--- a/c++/triqs_dft_tools/converters/vasp/dos_tetra3d.cpp
+++ b/c++/triqs_dft_tools/converters/vasp/dos_tetra3d.cpp
@@ -65,7 +65,7 @@ static void fun_dos_case3(double en, double *eigs, double *ci);
 
 static const int NUM_TET_CORNERS = 4;
 static const std::complex<double> I(0.0, 1.0);
-static const double small = 2.5e-2, tol = 1e-8;
+static const double tol = 1e-8;
 
 /*
   Returns corner contributions to the DOS of a band
@@ -95,7 +95,7 @@ array<double, 2> dos_tetra_weights_3d(array<double, 1> eigk, double en, array<lo
 //
   double eigs[4], ci[4];
   
-  int i, it, ik, inds[4], flag;
+  int i, it, ik, inds[4];
 #ifdef __TETRA_DEBUG
   double ct, ci_sum;
 #endif
diff --git a/python/triqs_dft_tools/converters/elktools/elkwrappers/CMakeLists.txt b/python/triqs_dft_tools/converters/elktools/elkwrappers/CMakeLists.txt
index c548777d..c323d191 100644
--- a/python/triqs_dft_tools/converters/elktools/elkwrappers/CMakeLists.txt
+++ b/python/triqs_dft_tools/converters/elktools/elkwrappers/CMakeLists.txt
@@ -12,7 +12,7 @@ add_custom_target(${module_name} ALL
 ##generate the fortran python wrapper shared library
 add_custom_command(
   OUTPUT ${generated_module_file}
-  COMMAND ${TRIQS_PYTHON_EXECUTABLE} -m numpy.f2py --f90exec=${CMAKE_Fortran_COMPILER} -c ${fortran_src_file} -m ${module_name} > elk_f2py.log
+  COMMAND ${TRIQS_PYTHON_EXECUTABLE} -m numpy.f2py --f90exec=${CMAKE_Fortran_COMPILER} --f77exec=${CMAKE_Fortran_COMPILER} -c ${fortran_src_file} -m ${module_name} > elk_f2py.log
   WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
   )