diff --git a/cv4/list_ops.c b/cv4/list_ops.c
index 148e985..8987685 100644
--- a/cv4/list_ops.c
+++ b/cv4/list_ops.c
@@ -25,7 +25,6 @@ list_t *append_list(list_t *list1, list_t *list2) {
         return NULL;
     }
     memcpy(list3->elements + list1->length, list2->elements, list2->length * sizeof(list_element_t));
-    list3->length = list1->length + list2->length;
     return list3;
 }