diff --git a/src/main/java/de/neemann/digital/gui/Main.java b/src/main/java/de/neemann/digital/gui/Main.java
index 910175ed4..91f27f179 100644
--- a/src/main/java/de/neemann/digital/gui/Main.java
+++ b/src/main/java/de/neemann/digital/gui/Main.java
@@ -224,7 +224,7 @@ public class Main extends JFrame implements ClosingWindowListener.ConfirmSave, E
         ToolTipAction zoomIn = new ToolTipAction(Lang.get("menu_zoomIn"), ICON_ZOOMIN) {
             @Override
             public void actionPerformed(ActionEvent e) {
-                circuitComponent.scaleCircuit(1.2);
+                circuitComponent.scaleCircuit(1.25);
             }
         };
         ToolTipAction zoomOut = new ToolTipAction(Lang.get("menu_zoomOut"), ICON_ZOOMOUT) {
diff --git a/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java b/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
index 1563403d9..7ebeebe3a 100644
--- a/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
+++ b/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
@@ -243,9 +243,13 @@ public class CircuitComponent extends JComponent {
     }
 
     private Vector getPosVector(MouseEvent e) {
+        return getPosVector(e.getX(), e.getY());
+    }
+
+    private Vector getPosVector(int x, int y) {
         try {
             Point2D.Double p = new Point2D.Double();
-            transform.inverseTransform(new Point(e.getX(), e.getY()), p);
+            transform.inverseTransform(new Point(x, y), p);
             return new Vector((int) Math.round(p.getX()), (int) Math.round(p.getY()));
         } catch (NoninvertibleTransformException e1) {
             throw new RuntimeException(e1);
@@ -306,17 +310,11 @@ public class CircuitComponent extends JComponent {
      * @param f factor to scale
      */
     public void scaleCircuit(double f) {
-        try {
-            Point2D.Double p = new Point2D.Double();
-            transform.inverseTransform(new Point(getWidth() / 2, getHeight() / 2), p);
-            Vector dif = new Vector((int) Math.round(p.getX()), (int) Math.round(p.getY()));
-            transform.translate(dif.x, dif.y);
-            transform.scale(f, f);
-            transform.translate(-dif.x, -dif.y);
-            repaint();
-        } catch (NoninvertibleTransformException e1) {
-            throw new RuntimeException(e1);
-        }
+        Vector dif = getPosVector(getWidth() / 2, getHeight() / 2);
+        transform.translate(dif.x, dif.y);
+        transform.scale(f, f);
+        transform.translate(-dif.x, -dif.y);
+        repaint();
     }
 
     private void editAttributes(VisualElement vp, MouseEvent e) {