diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index a131f171208c..1ab7400a3c10 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -351,8 +351,8 @@ static int __init zcore_init(void)
 		goto fail;
 
 	zcore_dir = debugfs_create_dir("zcore" , NULL);
-	debugfs_create_file("reipl", S_IRUSR, zcore_dir, NULL, &zcore_reipl_fops);
-	debugfs_create_file("hsa", S_IRUSR|S_IWUSR, zcore_dir, NULL, &zcore_hsa_fops);
+	debugfs_create_file("reipl", 0400, zcore_dir, NULL, &zcore_reipl_fops);
+	debugfs_create_file("hsa", 0600, zcore_dir, NULL, &zcore_hsa_fops);
 
 	register_reboot_notifier(&zcore_reboot_notifier);
 	atomic_notifier_chain_register(&panic_notifier_list, &zcore_on_panic_notifier);