diff --git a/src/opt_group.f90 b/src/opt_group.f90
index 8ff789a..2176a88 100644
--- a/src/opt_group.f90
+++ b/src/opt_group.f90
@@ -370,7 +370,7 @@ module opt_group
                             do inod = 1, 8
                                 vlat = ele(:,inod) + (/ix, iy, iz /)
                                 do i = 1, 3
-                                    vlat = vlat + bd_in_lat(2*i-1)-5
+                                    vlat(i) = vlat(i) + bd_in_lat(2*i-1)-5
                                 end do 
                                r_new_node(:,1,inod) = matmul(orient, matmul(fcc_mat, vlat))*remesh_lat_pam
                             end do 
@@ -393,7 +393,7 @@ module opt_group
                     if(lat_points(ix,iy,iz)) then 
                         vlat = (/ ix, iy, iz /)
                         do i = 1, 3
-                            vlat = vlat + bd_in_lat(2*i-1)-5
+                            vlat(i) = vlat(i) + bd_in_lat(2*i-1)-5
                         end do 
                        r = matmul(orient, matmul(fcc_mat, vlat))*remesh_lat_pam
                        call add_atom(remesh_type, sbox_atom(atom_index(1)), r)