diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index 654c6921a6d462f5d9fc0f0b82e9813480b96670..8252f37d04ed317b3f39764089187e0c91779c29 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -292,12 +292,12 @@ static int dasd_ioctl_read_profile(struct dasd_block *block, void __user *argp)
 #else
 static int dasd_ioctl_reset_profile(struct dasd_block *block)
 {
-	return -ENOSYS;
+	return -ENOTTY;
 }
 
 static int dasd_ioctl_read_profile(struct dasd_block *block, void __user *argp)
 {
-	return -ENOSYS;
+	return -ENOTTY;
 }
 #endif