--- a/src/linked_list.c	Sun Oct 03 12:02:57 2021 +0200
+++ b/src/linked_list.c	Sun Oct 03 12:04:27 2021 +0200
@@ -234,7 +234,7 @@
     return &last->payload;
 }
 
-cx_list_class cx_linked_list_class = {
+static cx_list_class cx_linked_list_class = {
         cx_ll_add,
         cx_ll_insert,
         cx_ll_remove,