diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index 8b3ba40cb74c..c42ba22b91d2 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -2108,7 +2108,7 @@ static int ni_ai_insn_read(struct comedi_device *dev,
 	unsigned int mask = (s->maxdata + 1) >> 1;
 	int i, n;
 	unsigned signbits;
-	unsigned short d;
+	unsigned int d;
 	unsigned long dl;
 
 	ni_load_channelgain_list(dev, s, 1, &insn->chanspec);