diff --git a/src/conf/cards/SI7018.conf b/src/conf/cards/SI7018.conf
index 02b8fc87..33d19085 100644
--- a/src/conf/cards/SI7018.conf
+++ b/src/conf/cards/SI7018.conf
@@ -6,7 +6,7 @@
 
 <confdir:pcm/front.conf>
 
-SI7018.pcm.front.0 {
+SI7018.pcm.front.!0 {
 	@args [ CARD ]
 	@args.CARD {
 		type string
@@ -18,7 +18,7 @@ SI7018.pcm.front.0 {
 
 <confdir:pcm/rear.conf>
 
-SI7018.pcm.rear.0 {
+SI7018.pcm.rear.!0 {
 	@args [ CARD ]
 	@args.CARD {
 		type string
@@ -44,7 +44,7 @@ SI7018.pcm.rear.0 {
 
 <confdir:pcm/surround40.conf>
 
-SI7018.pcm.surround40.0 {
+SI7018.pcm.surround40.!0 {
 	@args [ CARD ]
 	@args.CARD {
 		type string
@@ -83,7 +83,7 @@ SI7018.pcm.surround40.0 {
 <confdir:pcm/surround50.conf>
 <confdir:pcm/surround51.conf>
 
-SI7018.pcm.surround51.0 {
+SI7018.pcm.surround51.!0 {
 	@args [ CARD ]
 	@args.CARD {
 		type string
@@ -130,7 +130,7 @@ SI7018.pcm.surround51.0 {
 
 <confdir:pcm/iec958.conf>
 
-SI7018.pcm.iec958.0 {
+SI7018.pcm.iec958.!0 {
 	@args [ CARD AES0 AES1 AES2 AES3 ]
 	@args.CARD {
 		type string