diff --git a/.local/bin/initwacom b/.local/bin/initwacom
index bedde58..8cfbb40 100755
--- a/.local/bin/initwacom
+++ b/.local/bin/initwacom
@@ -16,11 +16,20 @@ if [ -z "${pad}" ]; then
 	exit 0
 fi
 
-xsetwacom set "${stylus}" MapToOutput DisplayPort-1
-xsetwacom set "${eraser}" MapToOutput DisplayPort-1
+first_display="$(xrandr | grep -oP "([^\s]+)(?=\sconnected)" | head -1)"
 
-xsetwacom set "${stylus}" Area "0 0 31496 17716"
-xsetwacom set "${eraser}" Area "0 0 31496 17716"
+xsetwacom set "${stylus}" MapToOutput "${first_display}"
+xsetwacom set "${eraser}" MapToOutput "${first_display}"
+
+first_resolution="$(xrandr | grep -oP "(\d+x\d+)(?=[^*]+\*)" | head -1)"
+IFS='x'
+read -ra resolution <<< "$first_resolution"
+
+width=31496
+height="$(bc -l <<< "ratio=${resolution[0]}/${resolution[1]}; scale=0; $width/ratio")"
+
+xsetwacom set "${stylus}" Area "0 0 $width $height"
+xsetwacom set "${eraser}" Area "0 0 $width $height"
 
 xsetwacom set "${pad}" Button 11 "key +ctrl z -ctrl"
 xsetwacom set "${pad}" Button 10 "key +shift"