diff --git a/bin/set-light b/bin/set-light
index b8e1f63..24a4029 100755
--- a/bin/set-light
+++ b/bin/set-light
@@ -40,4 +40,7 @@ for dev in /sys/class/backlight/*; do
 done
 
 echo "$NEW" > "$CUR_FILE"
-echo "$NEW"
+
+if [ -t 1 ]; then
+    echo "$NEW"
+fi
diff --git a/bin/set-vol b/bin/set-vol
index a1babcf..b4377a2 100755
--- a/bin/set-vol
+++ b/bin/set-vol
@@ -44,4 +44,6 @@ esac
 $CMD "$SINK" "$VOL%" > /dev/null
 pactl set-sink-mute "$PACTL_SINK" 0
 
-echo "$VOL"
+if [ -t 1 ]; then
+    echo "$VOL"
+fi