libBLOC

diff --git a/list/list_add.c b/list/list_add.c
index 276a158..ad5ddec 100644
--- a/list/list_add.c
+++ b/list/list_add.c
@@ -20,7 +20,6 @@
 #include <BLOC/object.h>
 #include <BLOC/list.h>
 #include "../assert.h"
-#include "../object.h"
 #include "list.h"
 
 /* Add an object to a list */
@@ -29,9 +28,8 @@ list_add(List *list, void *obj)
 {
 	ASSERT(list);
 	ASSERT(obj);
-	struct ObjectHeader *header = object_header(obj);
-	ASSERT(header->magic == OBJECT_MAGIC);
-	if (list->type && list->type != header->type)
+	ASSERT(obj_verify(obj));
+	if (list->type && list->type != obj_type(obj))
 		return;
 
 	struct IterableEntry *entry;