diff --git a/plugins/QmcChem/save_for_qmcchem.irp.f b/plugins/QmcChem/save_for_qmcchem.irp.f
index 4b028a7c..c8ddb4d9 100644
--- a/plugins/QmcChem/save_for_qmcchem.irp.f
+++ b/plugins/QmcChem/save_for_qmcchem.irp.f
@@ -1,6 +1,7 @@
 program save_for_qmc
  read_wf = .True.
  TOUCH read_wf
+ print *,  "N_det = ", N_det
  call write_spindeterminants 
  if (do_pseudo) then
    call write_pseudopotential
diff --git a/src/Utils/LinearAlgebra.irp.f b/src/Utils/LinearAlgebra.irp.f
index dab9e921..e3ef0bfe 100644
--- a/src/Utils/LinearAlgebra.irp.f
+++ b/src/Utils/LinearAlgebra.irp.f
@@ -83,7 +83,7 @@ subroutine ortho_lowdin(overlap,LDA,N,C,LDC,m)
   !$OMP DO
   do i=1,n
     if ( D(i) < 1.d-12 ) then
-      stop 'Linear dependence in basis set'
+      D(i) = 0.d0
     else
       D(i) = 1.d0/dsqrt(D(i))
     endif