diff --git a/plugins/MRCC_Utils/amplitudes.irp.f b/plugins/MRCC_Utils/amplitudes.irp.f
index e725ef3d..72d3ea67 100644
--- a/plugins/MRCC_Utils/amplitudes.irp.f
+++ b/plugins/MRCC_Utils/amplitudes.irp.f
@@ -89,7 +89,7 @@ END_PROVIDER
      !$OMP shared(is_active_exc, active_hh_idx, active_pp_idx, n_exc_active)&
      !$OMP private(lref, pp, II, ok, myMask, myDet, ind, phase, wk, ppp, hh, s)
  allocate(lref(N_det_non_ref))
- !$OMP DO dynamic
+ !$OMP DO schedule(dynamic)
  do ppp=1,n_exc_active
    active_excitation_to_determinants_val(:,:,ppp) = 0d0
    active_excitation_to_determinants_idx(:,ppp)   = 0
diff --git a/plugins/MRCC_Utils/mrcc_utils.irp.f b/plugins/MRCC_Utils/mrcc_utils.irp.f
index f28ccf25..ea13f8cc 100644
--- a/plugins/MRCC_Utils/mrcc_utils.irp.f
+++ b/plugins/MRCC_Utils/mrcc_utils.irp.f
@@ -718,7 +718,7 @@ END_PROVIDER
     factor = 1.d0
     resold = huge(1.d0)
 
-    do k=0,100000
+    do k=0,hh_nex
       !$OMP PARALLEL default(shared) private(cx, i, a_col, a_coll)
       
       !$OMP DO