diff --git a/src/call_option.f90 b/src/call_option.f90
index 1c3759e..d55e1ee 100644
--- a/src/call_option.f90
+++ b/src/call_option.f90
@@ -5,6 +5,7 @@ subroutine call_option(option, arg_pos)
     use opt_orient
     use opt_deform
     use opt_delete
+    use opt_redef_box
     use box
     implicit none
 
@@ -38,6 +39,8 @@ subroutine call_option(option, arg_pos)
         call run_delete(arg_pos)
     case('-set_cac')
         arg_pos=arg_pos +3
+    case('-redef_box')
+        call redef_box(arg_pos)
     case default
         print *, 'Option ', trim(adjustl(option)), ' is not currently accepted.'
         stop 3 
diff --git a/src/opt_redef_box.f90 b/src/opt_redef_box.f90
index c1a2dee..8d0d30f 100644
--- a/src/opt_redef_box.f90
+++ b/src/opt_redef_box.f90
@@ -35,9 +35,9 @@ module opt_redef_box
         delete_list(:) = 0
         do i = 1, ele_num
             !Determine if all nodes are within the new boundaries
+            node_out(:) = .false.
             do inod = 1, ng_node(lat_ele(i))
                 do ibasis = 1, basisnum(lat_ele(i))
-                    node_out(:) = .false.
                     if(.not.in_block_bd(r_node(:,ibasis,inod,i), new_bd)) then 
                         node_out(inod) = .true.
                     end if
@@ -66,7 +66,7 @@ module opt_redef_box
             end if
         end do
 
-        call delete_elements(delete_num, delete_list)
+        call delete_elements(delete_num, delete_list(1:delete_num))
 
         box_bd=new_bd
         box_bc = new_bc