diff --git a/plugins/Hartree_Fock/SCF.irp.f b/plugins/Hartree_Fock/SCF.irp.f
index 3d71d826..75a07145 100644
--- a/plugins/Hartree_Fock/SCF.irp.f
+++ b/plugins/Hartree_Fock/SCF.irp.f
@@ -23,7 +23,7 @@ subroutine create_guess
       mo_coef = ao_ortho_lowdin_coef
       TOUCH mo_coef
       mo_label = 'Guess'
-      call mo_as_eigvectors_of_mo_matrix(mo_mono_elec_integral,size(mo_mono_elec_integral,1),size(mo_mono_elec_integral,2),mo_label,.false.)
+      call mo_as_eigvectors_of_mo_matrix(mo_mono_elec_integral,size(mo_mono_elec_integral,1),size(mo_mono_elec_integral,2),mo_label,1,.false.)
       SOFT_TOUCH mo_coef mo_label
     else if (mo_guess_type == "Huckel") then
       call huckel_guess