diff --git a/src/main/dig/lib/74xx/7489.dig b/src/main/dig/lib/74xx/memory/7489.dig
similarity index 100%
rename from src/main/dig/lib/74xx/7489.dig
rename to src/main/dig/lib/74xx/memory/7489.dig
diff --git a/src/main/java/de/neemann/digital/gui/Main.java b/src/main/java/de/neemann/digital/gui/Main.java
index 9c7831f0b..fb9858250 100644
--- a/src/main/java/de/neemann/digital/gui/Main.java
+++ b/src/main/java/de/neemann/digital/gui/Main.java
@@ -295,13 +295,13 @@ public final class Main extends JFrame implements ClosingWindowListener.ConfirmS
         ToolTipAction zoomIn = new ToolTipAction(Lang.get("menu_zoomIn"), ICON_ZOOM_IN) {
             @Override
             public void actionPerformed(ActionEvent e) {
-                circuitComponent.scaleCircuit(1.25);
+                circuitComponent.scaleCircuit(1/0.9);
             }
         }.setAccelerator("control PLUS");
         ToolTipAction zoomOut = new ToolTipAction(Lang.get("menu_zoomOut"), ICON_ZOOM_OUT) {
             @Override
             public void actionPerformed(ActionEvent e) {
-                circuitComponent.scaleCircuit(0.8);
+                circuitComponent.scaleCircuit(0.9);
             }
         }.setAccelerator("control MINUS");