diff --git a/poly2d/p2d_hsort.c b/poly2d/p2d_hsort.c
index e4ee6e6..07aa958 100644
--- a/poly2d/p2d_hsort.c
+++ b/poly2d/p2d_hsort.c
@@ -101,7 +101,7 @@ void p2d_hier_free(struct p2d_hier *t)
 		p2d_hier_free(t->holes);
 		p = &t->p;
 		next = p2d_to_hier(p->next);
-		p2d_free_all(p);
+		p2d_free(p);
 		t = next;
 	}
 }