diff --git a/features.in/speech/live/image-scripts.d/10-amixer b/features.in/speech/live/image-scripts.d/10-amixer
index feda4c06..815eb4f1 100755
--- a/features.in/speech/live/image-scripts.d/10-amixer
+++ b/features.in/speech/live/image-scripts.d/10-amixer
@@ -3,10 +3,10 @@
 cat <<EOF > /etc/rc.d/rc.local
 #!/bin/sh
 
-amixer set Master 75%
-amixer set Master toggle
-amixer set PCM 75%
-amixer set PCM toggle
+for i in Master PCM Headphone; do
+	amixer set $i 75%
+	amixer set $i toggle
+done >&/dev/null
 
 EOF