diff --git a/src/conf/cards/ICE1724.conf b/src/conf/cards/ICE1724.conf
index e3a29f6e..b1fd42a8 100644
--- a/src/conf/cards/ICE1724.conf
+++ b/src/conf/cards/ICE1724.conf
@@ -94,6 +94,7 @@ ICE1724.pcm.iec958.0 {
 			{
 				interface PCM
 				name "IEC958 Playback Default"
+				device 1
 				lock true
 				preserve true
 				value [ $AES0 $AES1 $AES2 $AES3 ]