diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index beeeac9e0e3e6829faa3fe16304cb3e7adbe8850..f2884939479109f349b6291a82ee4cc990aa1c32 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3083,10 +3083,9 @@ static ssize_t wq_cpumask_show(struct device *dev,
 	int written;
 
 	mutex_lock(&wq->mutex);
-	written = cpumask_scnprintf(buf, PAGE_SIZE, wq->unbound_attrs->cpumask);
+	written = scnprintf(buf, PAGE_SIZE, "%*pb\n",
+			    cpumask_pr_args(wq->unbound_attrs->cpumask));
 	mutex_unlock(&wq->mutex);
-
-	written += scnprintf(buf + written, PAGE_SIZE - written, "\n");
 	return written;
 }