diff -r 7345ee0a0301 -r 35b2b99ee523 src/list.c
--- a/src/list.c	Sat Apr 22 14:09:46 2023 +0200
+++ b/src/list.c	Sat Apr 22 14:21:02 2023 +0200
@@ -115,12 +115,12 @@
     return ptr == NULL ? NULL : *ptr;
 }
 
-static size_t cx_pl_find(
+static ssize_t cx_pl_find(
         struct cx_list_s const *list,
         void const *elem
 ) {
     cx_pl_hack_cmpfunc(list);
-    size_t ret = list->climpl->find(list, &elem);
+    ssize_t ret = list->climpl->find(list, &elem);
     cx_pl_unhack_cmpfunc(list);
     return ret;
 }