diff --git a/arch/loongarch/kernel/proc.c b/arch/loongarch/kernel/proc.c
index 1effc73850feaca3bc54a40e1c7e8a1f3d43df1e..5c67cc4fd56d5f68301d3738ea312632bf2a3746 100644
--- a/arch/loongarch/kernel/proc.c
+++ b/arch/loongarch/kernel/proc.c
@@ -106,7 +106,7 @@ static void *c_start(struct seq_file *m, loff_t *pos)
 {
 	unsigned long i = *pos;
 
-	return i < NR_CPUS ? (void *)(i + 1) : NULL;
+	return i < nr_cpu_ids ? (void *)(i + 1) : NULL;
 }
 
 static void *c_next(struct seq_file *m, void *v, loff_t *pos)