diff --git a/base/bind_internal.h b/base/bind_internal.h
index e3ccb25..3d6ca09 100644
--- a/base/bind_internal.h
+++ b/base/bind_internal.h
@@ -295,7 +295,7 @@
 
   template <typename Functor, typename BoundWeakPtr, typename... RunArgs>
   static inline void MakeItSo(Functor&& functor,
-                              BoundWeakPtr weak_ptr,
+                              BoundWeakPtr&& weak_ptr,
                               RunArgs&&... args) {
     if (!weak_ptr)
       return;