diff --git a/app/src/main/java/ch/nuth/zhaw/exbox/ExBoxFrame.java b/app/src/main/java/ch/nuth/zhaw/exbox/ExBoxFrame.java
index 56b1746..3a68517 100644
--- a/app/src/main/java/ch/nuth/zhaw/exbox/ExBoxFrame.java
+++ b/app/src/main/java/ch/nuth/zhaw/exbox/ExBoxFrame.java
@@ -29,7 +29,6 @@ import java.util.Set;
  * @version 2.04 2021/9/11 Test as plugin
  */
 public class ExBoxFrame extends JFrame implements ActionListener, ItemListener {
-	private final int UHDTHRESHOLD = 1920;
 	private final String STANDARDENCODING = "UTF-8";
 
 	private JMenuItem connect, exit, open, test, retest, textView, graphicView, clear;
@@ -155,8 +154,7 @@ public class ExBoxFrame extends JFrame implements ActionListener, ItemListener {
 			ex.printStackTrace();
 		}
 
-		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
-		double scaleFaktor = (screenSize.getWidth() <= UHDTHRESHOLD) ? 1 : 2;
+		double scaleFaktor = (double)Toolkit.getDefaultToolkit().getScreenResolution() / 96.0;
 		setFontSize((int) (11 * scaleFaktor));
 		setSize(new Dimension((int) (400 * scaleFaktor), (int) (400 * scaleFaktor)));
 		setTitle("ExBox");