diff --git a/src/conf/cards/Aureon51.conf b/src/conf/cards/Aureon51.conf
index 9bf34661..db907f82 100644
--- a/src/conf/cards/Aureon51.conf
+++ b/src/conf/cards/Aureon51.conf
@@ -76,7 +76,7 @@ Aureon51.pcm.side.!0 {
 
 <confdir:pcm/surround40.conf>
 
-Aureon51.pcm.surround40.0 {
+Aureon51.pcm.surround40.!0 {
 	@args [ CARD ]
 	@args.CARD {
 		type string