diff --git a/kernel/profile.c b/kernel/profile.c
index 54bf5ba..a7bcd28 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -422,8 +422,7 @@
 
 static int prof_cpu_mask_proc_show(struct seq_file *m, void *v)
 {
-	seq_cpumask(m, prof_cpu_mask);
-	seq_putc(m, '\n');
+	seq_printf(m, "%*pb\n", cpumask_pr_args(prof_cpu_mask));
 	return 0;
 }