diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index c741dde9c0bb..9dfd4e6e6ced 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -2268,8 +2268,7 @@ static int ni_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	case TRIG_INT:
 	case TRIG_NOW:
 		ai_trig |= NISTC_AI_TRIG_START1_EDGE |
-			   NISTC_AI_TRIG_START1_SEL(0),
-			   NISTC_AI_TRIG_SEL_REG;
+			   NISTC_AI_TRIG_START1_SEL(0);
 		break;
 	case TRIG_EXT:
 		ai_trig |= NISTC_AI_TRIG_START1_SEL(CR_CHAN(cmd->start_arg) +