diff --git a/tune-mouse b/tune-mouse
index 738e30a..a3563ba 100755
--- a/tune-mouse
+++ b/tune-mouse
@@ -10,11 +10,10 @@ fi
 if [ $# -eq 1 ]; then
     display=$1
 else
-    display=eDP1
+    display="$(xrandr | awk '/primary/ { print $1 }')"
 fi
 
 
-
 if xinput list | grep -q Bamboo; then
     devfinger="Wacom Bamboo 16FG 4x5 Finger touch"