diff --git a/src/hessian.F90 b/src/hessian.F90
index fe7360373..abf6d181b 100644
--- a/src/hessian.F90
+++ b/src/hessian.F90
@@ -176,6 +176,7 @@ subroutine numhess( &
    call axis(mol%n,mol%at,mol%xyz,aa,bb,cc)
    if(cc.lt.1.d-10) res%linear=.true.
    step2=0.5_wp/step
+   calc%accuracy=set%accu_hess ! set SCC accuracy for numerical Hessian !
 
    h = 0.0_wp
    htb = 0.0_wp
@@ -244,7 +245,8 @@ subroutine numhess( &
          deallocate (calc_intensity, h_dummy)
       end if
    endif
-
+   
+   calc%accuracy=set%acc ! reset SCC accuracy !
 
 !  Hessian done -----------------------------------------------------------
 !! ========================================================================
@@ -540,7 +542,6 @@ subroutine numhess( &
       enddo
    end if
 
-
 end subroutine numhess
 
 subroutine numhess_rmsd( &