diff --git a/include/ucore/tailq.h b/include/ucore/tailq.h
index a4ebd6f..7ae9768 100644
--- a/include/ucore/tailq.h
+++ b/include/ucore/tailq.h
@@ -68,7 +68,7 @@ static UC_INLINE void uc_tailq_init(struct TailQ *head)
  */
 static UC_INLINE int uc_tailq_empty(const struct TailQ *head)
 {
-    return head->next == head->prev;
+    return head->next == head;
 }
 
 /** Insert the entry between prev and next