diff --git a/sound/pci/ctxfi/ctdaio.c b/sound/pci/ctxfi/ctdaio.c
index b8bde27f3a1d..19faa81d5400 100644
--- a/sound/pci/ctxfi/ctdaio.c
+++ b/sound/pci/ctxfi/ctdaio.c
@@ -118,6 +118,7 @@ static unsigned int daio_device_index(enum DAIOTYP type, struct hw *hw)
 		switch (type) {
 		case SPDIFOO:	return 0;
 		case SPDIFIO:	return 0;
+		case SPDIFI1:	return 1;
 		case LINEO1:	return 4;
 		case LINEO2:	return 7;
 		case LINEO3:	return 5;