diff --git a/NonLinearEVP/NonLinearEVP.pro b/NonLinearEVP/NonLinearEVP.pro
index 8c8ea73daaf4dd4ad5b83ea6e4399ecc084d2e08..01768b43883f2e6508c04c04ac6f0a5ae43b634d 100644
--- a/NonLinearEVP/NonLinearEVP.pro
+++ b/NonLinearEVP/NonLinearEVP.pro
@@ -427,7 +427,6 @@ PostProcessing {
   }
 }
 
-
 PostOperation {
   { Name postop_PEP_E; NameOfPostProcessing postpro_eigenvectors_PEP_E ;
     Operation {
@@ -496,13 +495,13 @@ PostOperation {
 
 eig_tol = 1e-6;
 slepc_options_nep_pol = " -nep_max_it 1000 -nep_type nleigs -nep_target_magnitude ";
-// Warning slepc > 3.8 : -nep_nleigs_rational => -nep_rational
-// slepc_options_nep_rat = Sprintf(" -nep_max_it 1000 -nep_type nleigs -nep_nleigs_rational -nep_target_magnitude -nep_tol %.10f ",eig_tol);
-slepc_options_nep_rat = Sprintf(" -nep_max_it 1000 -nep_type nleigs -nep_rational        -nep_target_magnitude -nep_tol %.10f ",eig_tol);
+// // Warning slepc > 3.8 : -nep_nleigs_rational => -nep_rational
+slepc_options_nep_rat = Sprintf(" -nep_max_it 1000 -nep_type nleigs -nep_nleigs_rational -nep_target_magnitude -nep_tol %.10f -nep_view",eig_tol);
+// slepc_options_nep_rat = Sprintf(" -nep_max_it 1000 -nep_type nleigs -nep_rational        -nep_target_magnitude -nep_tol %.10f ",eig_tol);
 
-// Warning petsc > 3.9 st_pc_factor_mat_solver_package => st_pc_factor_mat_solver_type
-// slepc_options_st  = "-solve -st_type  sinvert -st_ksp_type preonly -st_pc_type lu -st_pc_factor_mat_solver_type mumps -petsc_prealloc 200 -pos";
+// // Warning petsc > 3.9 st_pc_factor_mat_solver_package => st_pc_factor_mat_solver_type
 slepc_options_st  = "-solve -st_type  sinvert -st_ksp_type preonly -st_pc_type lu -st_pc_factor_mat_solver_package mumps -petsc_prealloc 200 -pos";
+// slepc_options_st  = "-solve -st_type  sinvert -st_ksp_type preonly -st_pc_type lu -st_pc_factor_mat_solver_type mumps -petsc_prealloc 200 -pos";
 
 slepc_options_pep = Sprintf(" -pep_max_it 400 -pep_target_magnitude -pep_tol %.10f ",eig_tol);