diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index 2940bd769936cd7f75d2d20adc324914b0df4b84..25aba1613e2157f7a2e468007c202a16015b3f40 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -1045,6 +1045,9 @@ static int tw_chrdev_open(struct inode *inode, struct file *file)
 static const struct file_operations tw_fops = {
 	.owner		= THIS_MODULE,
 	.unlocked_ioctl	= tw_chrdev_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl   = tw_chrdev_ioctl,
+#endif
 	.open		= tw_chrdev_open,
 	.release	= NULL,
 	.llseek		= noop_llseek,