diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c
index 3eb02e8d610359c1ba331fd3c7674a33e307f604..ca4f322c0d2ff3999ecde744ae809bf1e26c8cd5 100644
--- a/drivers/staging/comedi/drivers/das1800.c
+++ b/drivers/staging/comedi/drivers/das1800.c
@@ -489,9 +489,7 @@ static void das1800_handle_fifo_not_empty(struct comedi_device *dev,
 
 	while (inb(dev->iobase + DAS1800_STATUS) & FNE) {
 		dpnt = inw(dev->iobase + DAS1800_FIFO);
-		/* convert to unsigned type if we are in a bipolar mode */
-		if (!unipolar)
-			;
+		/* convert to unsigned type */
 		dpnt = munge_bipolar_sample(dev, dpnt);
 		comedi_buf_write_samples(s, &dpnt, 1);