diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index c131bc40f96268a7a9163681a579a3a0a843dede..9b3a24e8d3a0e0dfec9ffcbf1757ddd37f66329e 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -321,7 +321,7 @@ static int vmlogrdr_open (struct inode *inode, struct file *filp)
 	 * only allow for blocking reads to be open
 	 */
 	if (filp->f_flags & O_NONBLOCK)
-		return -ENOSYS;
+		return -EOPNOTSUPP;
 
 	/* Besure this device hasn't already been opened */
 	spin_lock_bh(&logptr->priv_lock);