diff --git a/src/conf/pcm/Makefile.am b/src/conf/pcm/Makefile.am
index f611cb6c..3bbcbbd5 100644
--- a/src/conf/pcm/Makefile.am
+++ b/src/conf/pcm/Makefile.am
@@ -1,5 +1,5 @@
 cfg_files = front.conf rear.conf center_lfe.conf surround40.conf \
-	    surround51.conf
+	    surround51.conf iec958.conf
 
 EXTRA_DIST = $(cfg_files)