diff --git a/include/boost/asio/detail/impl/io_uring_service.ipp b/include/boost/asio/detail/impl/io_uring_service.ipp
index 6a9ba5c4..b47344d2 100644
--- a/include/boost/asio/detail/impl/io_uring_service.ipp
+++ b/include/boost/asio/detail/impl/io_uring_service.ipp
@@ -689,7 +689,7 @@ __kernel_timespec io_uring_service::get_timeout() const
   }
   if (sqe)
   {
-    ::io_uring_sqe_set_data(sqe, nullptr);
+    ::io_uring_sqe_set_data(sqe, 0);
     ++pending_sqes_;
   }
   return sqe;