diff --git a/examples/main_fof.c b/examples/main_fof.c
index f6562e519863965f86660680e860f57db945f32a..919b5868e5b81c9777d66a4953eb6a55d0f5d9cc 100644
--- a/examples/main_fof.c
+++ b/examples/main_fof.c
@@ -556,8 +556,9 @@ int main(int argc, char *argv[]) {
              sinks, sparts, bparts, Ngas, Ngpart, Nsink, Nspart, Nbpart,
              Nnupart, periodic, replicate, /*remap_ids=*/0,
              /*generate_gas_in_ics=*/0, /*hydro=*/N_total[0] > 0, /*gravity=*/1,
-             /*with_star_formation=*/0, with_DM_background_particles,
-             with_neutrinos, talking, /*dry_run=*/0, nr_nodes);
+             /*with_star_formation=*/0, /*sink=*/N_total[swift_type_sink],
+             with_DM_background_particles, with_neutrinos, talking,
+             /*dry_run=*/0, nr_nodes);
 
   if (myrank == 0) {
     clocks_gettime(&toc);