diff --git a/src/space.c b/src/space.c
index 651f4c044ef864f4f5d8f9277c16f0d249514e73..87673e104d2cbd2bd6115976d7d85eca48ef038d 100644
--- a/src/space.c
+++ b/src/space.c
@@ -3903,6 +3903,7 @@ void space_list_useful_top_level_cells(struct space *s) {
 
     const int has_particles =
         (c->hydro.count > 0) || (c->grav.count > 0) || (c->stars.count > 0) ||
+        (c->black_holes.count > 0) ||
         (c->grav.multipole != NULL && c->grav.multipole->m_pole.M_000 > 0.f);
 
     if (has_particles) {