diff --git a/mediator/med_phases_aofluxes_mod.F90 b/mediator/med_phases_aofluxes_mod.F90
index 406160cb..7697b574 100644
--- a/mediator/med_phases_aofluxes_mod.F90
+++ b/mediator/med_phases_aofluxes_mod.F90
@@ -1604,6 +1604,10 @@ subroutine set_aoflux_in_pointers(fldbun_a, fldbun_o, aoflux_in, lsize, xgrid, r
        if (add_gusts) then
           call fldbun_getfldptr(fldbun_a, 'Faxa_rainc', aoflux_in%rainc, xgrid=xgrid, rc=rc)
           if (chkerr(rc,__LINE__,u_FILE_u)) return
+       else
+          ! rainc is not used without add_gusts but some compilers complain about the unallocated pointer
+          ! in the subroutine interface
+          allocate(aoflux_in%rainc(1))
        end if
     end if