diff --git a/arch/s390/kernel/perf_pai.c b/arch/s390/kernel/perf_pai.c
index 05f74d74fad1..5c18c8b82ab7 100644
--- a/arch/s390/kernel/perf_pai.c
+++ b/arch/s390/kernel/perf_pai.c
@@ -1242,7 +1242,7 @@ static int __init paipmu_setup(void)
 static int __init pai_init(void)
 {
 	/* Setup s390dbf facility */
-	paidbg = debug_register("pai", 32, 256, 128);
+	paidbg = debug_register("pai", 1, 1, 128);
 	if (!paidbg) {
 		pr_err("Registration of s390dbf pai failed\n");
 		return -ENOMEM;