diff --git a/src/tools.f90 b/src/tools.f90
index 6d12c9e70..720e24e7c 100644
--- a/src/tools.f90
+++ b/src/tools.f90
@@ -210,7 +210,7 @@ subroutine restart(ux1,uy1,uz1,dux1,duy1,duz1,ep1,pp3,phi1,dphi1,px1,py1,pz1,rho
     use param
     use MPI
     use navier, only : gradp
-    use mhd,    only : mhd_active,mhd_equation,Bm
+    use mhd, only : mhd_active,mhd_equation,Bm,dBm
 
     implicit none
 
@@ -313,9 +313,17 @@ subroutine restart(ux1,uy1,uz1,dux1,duy1,duz1,ep1,pp3,phi1,dphi1,px1,py1,pz1,rho
        endif
 
        if (mhd_active .and. mhd_equation) then
-        call decomp_2d_write_one(1,Bm(:,:,:,1),resfile,'bx',0,io_restart,reduce_prec=.false.)
-        call decomp_2d_write_one(1,Bm(:,:,:,2),resfile,'by',0,io_restart,reduce_prec=.false.)
-        call decomp_2d_write_one(1,Bm(:,:,:,3),resfile,'bz',0,io_restart,reduce_prec=.false.)
+          call decomp_2d_write_one(1,Bm(:,:,:,1),resfile,'bx',0,io_restart,reduce_prec=.false.)
+          call decomp_2d_write_one(1,Bm(:,:,:,2),resfile,'by',0,io_restart,reduce_prec=.false.)
+          call decomp_2d_write_one(1,Bm(:,:,:,3),resfile,'bz',0,io_restart,reduce_prec=.false.)
+          if (itimescheme==3) then
+             call decomp_2d_write_one(1,dBm(:,:,:,1,2),resfile,'dbx-2',0,io_restart,reduce_prec=.false.)
+             call decomp_2d_write_one(1,dBm(:,:,:,2,2),resfile,'dby-2',0,io_restart,reduce_prec=.false.)
+             call decomp_2d_write_one(1,dBm(:,:,:,3,2),resfile,'dbz-2',0,io_restart,reduce_prec=.false.)
+             call decomp_2d_write_one(1,dBm(:,:,:,1,3),resfile,'dbx-3',0,io_restart,reduce_prec=.false.)
+             call decomp_2d_write_one(1,dBm(:,:,:,2,3),resfile,'dby-3',0,io_restart,reduce_prec=.false.)
+             call decomp_2d_write_one(1,dBm(:,:,:,3,3),resfile,'dbz-3',0,io_restart,reduce_prec=.false.)
+          endif
        endif
 
        call decomp_2d_end_io(io_restart, resfile)
@@ -432,9 +440,17 @@ subroutine restart(ux1,uy1,uz1,dux1,duy1,duz1,ep1,pp3,phi1,dphi1,px1,py1,pz1,rho
        end if
 
        if(mhd_active .and. mhd_equation) then
-        call decomp_2d_read_one(1,Bm(:,:,:,1),resfile,'bx',io_restart,reduce_prec=.false.)
-        call decomp_2d_read_one(1,Bm(:,:,:,2),resfile,'by',io_restart,reduce_prec=.false.)
-        call decomp_2d_read_one(1,Bm(:,:,:,3),resfile,'bz',io_restart,reduce_prec=.false.)
+          call decomp_2d_read_one(1,Bm(:,:,:,1),resfile,'bx',io_restart,reduce_prec=.false.)
+          call decomp_2d_read_one(1,Bm(:,:,:,2),resfile,'by',io_restart,reduce_prec=.false.)
+          call decomp_2d_read_one(1,Bm(:,:,:,3),resfile,'bz',io_restart,reduce_prec=.false.)
+          if (itimescheme==3) then
+             call decomp_2d_read_one(1,dBm(:,:,:,1,2),resfile,'dbx-2',io_restart,reduce_prec=.false.)
+             call decomp_2d_read_one(1,dBm(:,:,:,2,2),resfile,'dby-2',io_restart,reduce_prec=.false.)
+             call decomp_2d_read_one(1,dBm(:,:,:,3,2),resfile,'dbz-2',io_restart,reduce_prec=.false.)
+             call decomp_2d_read_one(1,dBm(:,:,:,1,3),resfile,'dbx-3',io_restart,reduce_prec=.false.)
+             call decomp_2d_read_one(1,dBm(:,:,:,2,3),resfile,'dby-3',io_restart,reduce_prec=.false.)
+             call decomp_2d_read_one(1,dBm(:,:,:,3,3),resfile,'dbz-3',io_restart,reduce_prec=.false.)
+          endif
        endif
 
        call decomp_2d_end_io(io_restart, resfile)
@@ -557,6 +573,14 @@ subroutine init_restart_adios2()
        call decomp_2d_register_variable(io_restart, "bx", 1, 0, 0, mytype)
        call decomp_2d_register_variable(io_restart, "by", 1, 0, 0, mytype)
        call decomp_2d_register_variable(io_restart, "bz", 1, 0, 0, mytype)
+       if (itimescheme.eq.3) then
+          call decomp_2d_register_variable(io_restart, "dbx-2", 1, 0, 0, mytype)
+          call decomp_2d_register_variable(io_restart, "dby-2", 1, 0, 0, mytype)
+          call decomp_2d_register_variable(io_restart, "dbz-2", 1, 0, 0, mytype)
+          call decomp_2d_register_variable(io_restart, "dbx-3", 1, 0, 0, mytype)
+          call decomp_2d_register_variable(io_restart, "dby-3", 1, 0, 0, mytype)
+          call decomp_2d_register_variable(io_restart, "dbz-3", 1, 0, 0, mytype)
+       endif
     end if
 
   end subroutine init_restart_adios2