diff --git a/src/davidson/davidson_parallel.irp.f b/src/davidson/davidson_parallel.irp.f
index 8fd023da..fcee16bc 100644
--- a/src/davidson/davidson_parallel.irp.f
+++ b/src/davidson/davidson_parallel.irp.f
@@ -508,7 +508,8 @@ subroutine H_S2_u_0_nstates_zmq(v_0,s_0,u_0,N_st,sze)
   endif
 
 
-  call omp_set_max_active_levels(5)
+  !call omp_set_max_active_levels(5)
+  call set_multiple_levels_omp()
 
   !$OMP PARALLEL DEFAULT(shared) NUM_THREADS(2) PRIVATE(ithread)
   ithread = omp_get_thread_num()
diff --git a/src/davidson/davidson_parallel_csf.irp.f b/src/davidson/davidson_parallel_csf.irp.f
index fe651b1d..90e4303e 100644
--- a/src/davidson/davidson_parallel_csf.irp.f
+++ b/src/davidson/davidson_parallel_csf.irp.f
@@ -464,7 +464,9 @@ subroutine H_u_0_nstates_zmq(v_0,u_0,N_st,sze)
     print *,  irp_here, ': Failed in zmq_set_running'
   endif
 
-  call omp_set_max_active_levels(4)
+  !call omp_set_max_active_levels(4)
+  call set_multiple_levels_omp()
+
   !$OMP PARALLEL DEFAULT(shared) NUM_THREADS(2) PRIVATE(ithread)
   ithread = omp_get_thread_num()
   if (ithread == 0 ) then
diff --git a/src/davidson/davidson_parallel_nos2.irp.f b/src/davidson/davidson_parallel_nos2.irp.f
index 84cbe3af..091b8666 100644
--- a/src/davidson/davidson_parallel_nos2.irp.f
+++ b/src/davidson/davidson_parallel_nos2.irp.f
@@ -464,7 +464,9 @@ subroutine H_u_0_nstates_zmq(v_0,u_0,N_st,sze)
     print *,  irp_here, ': Failed in zmq_set_running'
   endif
 
-  call omp_set_max_active_levels(4)
+  !call omp_set_max_active_levels(4)
+  call set_multiple_levels_omp()
+
   !$OMP PARALLEL DEFAULT(shared) NUM_THREADS(2) PRIVATE(ithread)
   ithread = omp_get_thread_num()
   if (ithread == 0 ) then