diff --git a/kernel/sched/walt/core_ctl.c b/kernel/sched/walt/core_ctl.c
index 21726f06ba9f..bfefd476260a 100644
--- a/kernel/sched/walt/core_ctl.c
+++ b/kernel/sched/walt/core_ctl.c
@@ -402,6 +402,7 @@ static ssize_t show_not_preferred(const struct cluster_data *state, char *buf)
 		count += scnprintf(buf + count, PAGE_SIZE - count,
 				"%u ", c->not_preferred);
 	}
+	count += scnprintf(buf + count, PAGE_SIZE - count, "\n");
 	spin_unlock_irqrestore(&state_lock, flags);
 
 	return count;