diff --git a/setup/listener-puppet/install.sh b/setup/listener-puppet/install.sh
index a62d4ea..6234d44 100644
--- a/setup/listener-puppet/install.sh
+++ b/setup/listener-puppet/install.sh
@@ -29,6 +29,7 @@ install_sound_card_drivers() {
 }
 
 configure_sound() {
+  amixer -c 0 set 'Headphone' 100%
   amixer -c 0 set 'Speaker' 100%
   amixer -c 0 set 'Speaker AC' 100%
   amixer -c 0 set 'Speaker DC' 100%