diff --git a/mediator/esmFldsExchange_cesm_mod.F90 b/mediator/esmFldsExchange_cesm_mod.F90
index 86f513d7..d3d37374 100644
--- a/mediator/esmFldsExchange_cesm_mod.F90
+++ b/mediator/esmFldsExchange_cesm_mod.F90
@@ -2854,7 +2854,7 @@ subroutine esmFldsExchange_cesm(gcomp, phase, rc)
        else
           if ( fldchk(is_local%wrap%FBExp(compice)        , 'Sw_elevation_spectrum', rc=rc) .and. &
                fldchk(is_local%wrap%FBImp(compwav,compwav), 'Sw_elevation_spectrum', rc=rc)) then
-             call addmap_from(compwav, 'Sw_elevation_spectrum', compice, mapbilnr, 'one', 'unset')
+             call addmap_from(compwav, 'Sw_elevation_spectrum', compice, mapbilnr_nstod, 'one', wav2ocn_smap)
              call addmrg_to(compice, 'Sw_elevation_spectrum', &
                   mrg_from=compwav, mrg_fld='Sw_elevation_spectrum', mrg_type='copy')
           end if