diff --git a/src/conf/cards/AU8810.conf b/src/conf/cards/AU8810.conf
index 24d46c34..6b596b68 100644
--- a/src/conf/cards/AU8810.conf
+++ b/src/conf/cards/AU8810.conf
@@ -4,7 +4,7 @@
 
 <confdir:pcm/front.conf>
 
-AU8810.pcm.front.0 {
+AU8810.pcm.front.!0 {
 	@args [ CARD ]
 	@args.CARD {
 		type string
@@ -15,7 +15,7 @@ AU8810.pcm.front.0 {
 
 <confdir:pcm/iec958.conf>
 
-AU8810.pcm.iec958.0 {
+AU8810.pcm.iec958.!0 {
 	@args [ CARD AES0 AES1 AES2 AES3 ]
 	@args.CARD {
 		type string
diff --git a/src/conf/cards/AU8820.conf b/src/conf/cards/AU8820.conf
index 07890254..fe2cbc11 100644
--- a/src/conf/cards/AU8820.conf
+++ b/src/conf/cards/AU8820.conf
@@ -4,7 +4,7 @@
 
 <confdir:pcm/front.conf>
 
-AU8820.pcm.front.0 {
+AU8820.pcm.front.!0 {
 	@args [ CARD ]
 	@args.CARD {
 		type string
diff --git a/src/conf/cards/AU8830.conf b/src/conf/cards/AU8830.conf
index 39e66d50..9cd78b3e 100644
--- a/src/conf/cards/AU8830.conf
+++ b/src/conf/cards/AU8830.conf
@@ -4,7 +4,7 @@
 
 <confdir:pcm/front.conf>
 
-AU8830.pcm.front.0 {
+AU8830.pcm.front.!0 {
 	@args [ CARD ]
 	@args.CARD {
 		type string
@@ -19,7 +19,7 @@ AU8830.pcm.surround40.0 "cards.AU8830.pcm.front.0"
 
 <confdir:pcm/iec958.conf>
 
-AU8830.pcm.iec958.0 {
+AU8830.pcm.iec958.!0 {
 	@args [ CARD AES0 AES1 AES2 AES3 ]
 	@args.CARD {
 		type string