diff --git a/external/qp2-dependencies b/external/qp2-dependencies
index e0d0e02e..6e23ebac 160000
--- a/external/qp2-dependencies
+++ b/external/qp2-dependencies
@@ -1 +1 @@
-Subproject commit e0d0e02e9f5ece138d1520106954a881ab0b8db2
+Subproject commit 6e23ebac001acae91d1c762ca934e09a9b7d614a
diff --git a/src/cipsi/selection.irp.f b/src/cipsi/selection.irp.f
index 6f40a809..0705d103 100644
--- a/src/cipsi/selection.irp.f
+++ b/src/cipsi/selection.irp.f
@@ -76,6 +76,8 @@ subroutine select_connected(i_generator,E0,pt2_data,b,subset,csubset)
 
   double precision, allocatable  :: fock_diag_tmp(:,:)
 
+  if (csubset == 0) return
+
   allocate(fock_diag_tmp(2,mo_num+1))
 
   call build_fock_tmp(fock_diag_tmp,psi_det_generators(1,1,i_generator),N_int)
@@ -177,6 +179,7 @@ subroutine select_singles_and_doubles(i_generator,hole_mask,particle_mask,fock_d
   monoAdo = .true.
   monoBdo = .true.
 
+  if (csubset == 0) return
 
   do k=1,N_int
     hole    (k,1) = iand(psi_det_generators(k,1,i_generator), hole_mask(k,1))
diff --git a/src/mo_two_e_ints/cholesky.irp.f b/src/mo_two_e_ints/cholesky.irp.f
index b5b39b3b..8b1e6e1c 100644
--- a/src/mo_two_e_ints/cholesky.irp.f
+++ b/src/mo_two_e_ints/cholesky.irp.f
@@ -6,6 +6,7 @@ BEGIN_PROVIDER [ double precision, cholesky_mo, (mo_num, mo_num, cholesky_ao_num
 
  integer :: k
 
+ call set_multiple_levels_omp(.False.)
  print *, 'AO->MO Transformation of Cholesky vectors'
  !$OMP PARALLEL DO PRIVATE(k)
  do k=1,cholesky_ao_num