diff --git a/src/csf/conversion.irp.f b/src/csf/conversion.irp.f
index f6f12ba9..1ab5ccaa 100644
--- a/src/csf/conversion.irp.f
+++ b/src/csf/conversion.irp.f
@@ -66,11 +66,11 @@ subroutine convertWFfromDETtoCSF(N_st,psi_coef_det_in, psi_coef_cfg_out)
 
     bfIcfg = max(1,nint((binom(s,(s+1)/2)-binom(s,((s+1)/2)+1))))
 
-    if(iand(s,1) .EQ. 0) then
-      bfIcfg = max(1,nint((binom(s,s/2)-binom(s,(s/2)+1))))
-    else
-      bfIcfg = max(1,nint((binom(s,(s+1)/2)-binom(s,((s+1)/2)+1))))
-    endif
+!    if(iand(s,1) .EQ. 0) then
+!      bfIcfg = max(1,nint((binom(s,s/2)-binom(s,(s/2)+1))))
+!    else
+!      bfIcfg = max(1,nint((binom(s,(s+1)/2)-binom(s,((s+1)/2)+1))))
+!    endif
 
     ! perhaps blocking with CFGs of same seniority
     ! can be more efficient
diff --git a/src/utils/set_multiple_levels_omp.irp.f b/src/utils/set_multiple_levels_omp.irp.f
index b4764e4a..572a13f4 100644
--- a/src/utils/set_multiple_levels_omp.irp.f
+++ b/src/utils/set_multiple_levels_omp.irp.f
@@ -8,7 +8,7 @@ subroutine set_multiple_levels_omp(activate)
   logical, intent(in) :: activate
 
   if (activate) then
-    call omp_set_max_active_levels(5)
+    call omp_set_max_active_levels(3)
 
     IRP_IF SET_NESTED
       call omp_set_nested(.True.)