diff -r a389bf17eaaa -r 527ac061b247 src/cx/list.h
--- a/src/cx/list.h	Tue Dec 23 14:31:56 2025 +0100
+++ b/src/cx/list.h	Tue Dec 23 17:08:14 2025 +0100
@@ -206,7 +206,7 @@
  * @param n the number of elements to insert
  * @return the number of elements actually inserted
  */
-cx_attr_nonnull
+cx_attr_nonnull_arg(1)
 CX_EXPORT size_t cx_list_default_insert_array(struct cx_list_s *list,
         size_t index, const void *data, size_t n);