diff --git a/include/rw_lock.h b/include/rw_lock.h
index 6c66f58..ca0b4f0 100644
--- a/include/rw_lock.h
+++ b/include/rw_lock.h
@@ -23,6 +23,7 @@ public:
                 break;
             }
             std::this_thread::yield();
+            std::atomic_thread_fence(std::memory_order_acquire);
         }
     }