diff -r b5dd654deb3b -r 2f88a7c13a28 src/linked_list.c
--- a/src/linked_list.c	Mon Mar 20 19:09:08 2023 +0100
+++ b/src/linked_list.c	Tue Mar 21 17:18:29 2023 +0100
@@ -936,9 +936,14 @@
     list->base.cl = &cx_linked_list_class;
     list->base.allocator = allocator;
     list->base.cmpfunc = comparator;
-    list->base.itemsize = item_size;
     list->base.capacity = SIZE_MAX;
 
+    if (item_size > 0) {
+        list->base.itemsize = item_size;
+    } else {
+        cxListStorePointers((CxList *) list);
+    }
+
     return (CxList *) list;
 }