diff --git a/.gitignore b/.gitignore
index 75ec3f0..7af18e0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-.vscode/*
\ No newline at end of file
+.vscode/*
+settings.json
diff --git a/brightness.py b/brightness.py
index ac67c2a..7d263f9 100755
--- a/brightness.py
+++ b/brightness.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-import os, sys, string, subprocess
+import os, sys, string, subprocess, json
 
 def main():
     cmd = "xrandr --verbose | grep {} -A 5 | grep Brightness | cut -f 2 -d ' '".format(display())
@@ -13,12 +13,22 @@ def main():
     os.system("xrandr --output {} --brightness {}".format(display(), brightness))
 
 def display():
-    cmd = "xdotool getmouselocation --shell | head -n -3 | sed 's/[^0-9]*//g'"
+    cmd = "xdotool getmouselocation --shell | head -n -3 | cut -d'=' -f2-"
     cmd = subprocess.getoutput(cmd)
+    
+    #print(getDisplay()['display0']);
 
     if int(cmd) < 2560:
-        return "DisplayPort-0"
-    return "DisplayPort-1"
+        return getDisplay()['display1']
+    return getDisplay()['display0']
+
+def getDisplay():
+    root_dir = os.path.dirname(os.path.realpath(__file__))
+    json_path = os.path.join(root_dir, 'settings.json')
+    with open(json_path, 'r') as json_data:
+        settings = json.load(json_data)
+        json_data.close()
+    return settings
 
 if len(sys.argv) <= 1:
     print("Usage: {} [+|-]".format(sys.argv[0]))