diff --git a/Part3/09_memory/kernel/kernel.c b/Part3/09_memory/kernel/kernel.c
index c09f17d..276460b 100644
--- a/Part3/09_memory/kernel/kernel.c
+++ b/Part3/09_memory/kernel/kernel.c
@@ -170,8 +170,7 @@ void print_holes(node* umem_head) {
             u32 total = umem_head->base_register+umem_head->limit_register;
             hole = add_node( hole, total, next->base_register-total, true, ++hole_ids);
         } else {
-            node *previous = umem_head->previous;
-            hole = add_node( hole, previous->base_register+previous->limit_register, -1, true, ++hole_ids);
+            hole = add_node( hole, umem_head->base_register+umem_head->limit_register, -1, true, ++hole_ids);
         }
         umem_head = umem_head->next;
     }