diff --git a/plugins/MRCC_CASSD/mrcc_noiter.irp.f b/plugins/MRCC_CASSD/mrcc_noiter.irp.f
index 949a0dab..d36bedef 100644
--- a/plugins/MRCC_CASSD/mrcc_noiter.irp.f
+++ b/plugins/MRCC_CASSD/mrcc_noiter.irp.f
@@ -1,7 +1,8 @@
 program mrcc_noiter
   implicit none
   read_wf = .True.
-  SOFT_TOUCH read_wf
+  threshold_generators = .9999d0
+  SOFT_TOUCH read_wf threshold_generators
   call print_cas_coefs
   call set_generators_bitmasks_as_holes_and_particles
   call run
diff --git a/plugins/MRCC_Utils/mrcc_utils.irp.f b/plugins/MRCC_Utils/mrcc_utils.irp.f
index 25e6af77..d83dc239 100644
--- a/plugins/MRCC_Utils/mrcc_utils.irp.f
+++ b/plugins/MRCC_Utils/mrcc_utils.irp.f
@@ -12,7 +12,7 @@ BEGIN_PROVIDER [ double precision, lambda_mrcc, (N_states,psi_det_size) ]
   lambda_mrcc = 0.d0
 
     do i=1,N_det_non_ref
-      call i_h_psi(psi_non_ref(1,1,i), psi_ref, psi_ref_coef, N_int, N_det_ref,&
+      call i_h_psi(psi_non_ref(1,1,i), psi_ref, psi_ref_coef_normalized, N_int, N_det_ref,&
           size(psi_ref_coef,1), N_states,ihpsi_current)
       call i_H_j(psi_non_ref(1,1,i),psi_non_ref(1,1,i),N_int,hii)
       do k=1,N_states
@@ -21,8 +21,7 @@ BEGIN_PROVIDER [ double precision, lambda_mrcc, (N_states,psi_det_size) ]
         endif
         lambda_mrcc(k,i) = min(0.d0,psi_non_ref_coef(i,k)/ihpsi_current(k) )
         lambda_pert = 1.d0 / (psi_ref_energy_diagonalized(k)-hii)
-        if ((lambda_pert  < 0.5d0 * lambda_mrcc(k,i)).or.  &
-            (lambda_pert  > 2.0d0 * lambda_mrcc(k,i)) ) then
+        if (lambda_pert / lambda_mrcc(k,i)  < 0.5d0) then
           i_pert_count += 1
           lambda_mrcc(k,i) = 0.d0
         endif
diff --git a/plugins/Psiref_CAS/psi_ref.irp.f b/plugins/Psiref_CAS/psi_ref.irp.f
index d3dbda08..c7b9867f 100644
--- a/plugins/Psiref_CAS/psi_ref.irp.f
+++ b/plugins/Psiref_CAS/psi_ref.irp.f
@@ -23,7 +23,21 @@ use bitmasks
       psi_ref_coef(i,k) = psi_cas_coef(i,k)
     enddo
   enddo
-  call normalize(psi_ref_coef, N_det_ref)
+
+END_PROVIDER
+
+BEGIN_PROVIDER [ double precision, psi_ref_coef_normalized,  (psi_det_size,n_states) ]
+ implicit none
+ BEGIN_DOC
+! Normalized coefficients of the reference
+ END_DOC
+ integer :: i,j,k
+ do k=1,N_states
+   do j=1,N_det_ref
+     psi_ref_coef_normalized(j,k) = psi_ref_coef(j,k)
+   enddo
+   call normalize(psi_ref_coef_normalized(1,k), N_det_ref)
+ enddo
 
 END_PROVIDER