diff --git a/drivers/staging/comedi/drivers/amplc_pc263.c b/drivers/staging/comedi/drivers/amplc_pc263.c
index 017e33ea8b7c9807722ef8de3df001d9e65cc427..60830ccfb903f48fc9720490040d59bc113f0c5c 100644
--- a/drivers/staging/comedi/drivers/amplc_pc263.c
+++ b/drivers/staging/comedi/drivers/amplc_pc263.c
@@ -225,7 +225,7 @@ static int pc263_common_attach(struct comedi_device *dev, unsigned long iobase)
 	if (ret)
 		return ret;
 
-	s = dev->subdevices + 0;
+	s = &dev->subdevices[0];
 	/* digital output subdevice */
 	s->type = COMEDI_SUBD_DO;
 	s->subdev_flags = SDF_READABLE | SDF_WRITABLE;