diff --git a/lib/list_debug.c b/lib/list_debug.c
index c24c2f7..3859bf6 100644
--- a/lib/list_debug.c
+++ b/lib/list_debug.c
@@ -37,7 +37,7 @@
 	next->prev = new;
 	new->next = next;
 	new->prev = prev;
-	prev->next = new;
+	WRITE_ONCE(prev->next, new);
 }
 EXPORT_SYMBOL(__list_add);