diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 579d351f6ddd..c976fd132c3b 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -999,7 +999,7 @@ static ssize_t show_trans_timeout(struct netdev_queue *queue,
 	trans_timeout = queue->trans_timeout;
 	spin_unlock_irq(&queue->_xmit_lock);
 
-	return sprintf(buf, "%lu", trans_timeout);
+	return sprintf(buf, fmt_ulong, trans_timeout);
 }
 
 #ifdef CONFIG_XPS