kc3-lang/kc3

diff --git a/libc3/facts.c b/libc3/facts.c
index ec64e5b..bab141d 100644
--- a/libc3/facts.c
+++ b/libc3/facts.c
@@ -49,7 +49,7 @@ s_fact * facts_add_fact (s_facts *facts, const s_fact *fact)
     return &item->data;
   }
   tmp.id = facts->next_id;
-  if (facts->next_id == UW_MAX) {
+  if (facts->next_id == U64_MAX) {
     errx(1, "facts serial id exhausted");
     return NULL;
   }
diff --git a/libc3/types.h b/libc3/types.h
index 2fadc4b..2e0900a 100644
--- a/libc3/types.h
+++ b/libc3/types.h
@@ -467,7 +467,7 @@ struct facts {
   pthread_rwlock_t  rwlock;
   sw                rwlock_count;
   pthread_t         rwlock_thread;
-  uw                next_id;
+  u64               next_id;
 };
 
 struct facts_cursor {