diff --git a/tests/system/src/test/java/test/robot/javafx/scene/RobotTest.java b/tests/system/src/test/java/test/robot/javafx/scene/RobotTest.java
index 315dad682a..f78656594a 100644
--- a/tests/system/src/test/java/test/robot/javafx/scene/RobotTest.java
+++ b/tests/system/src/test/java/test/robot/javafx/scene/RobotTest.java
@@ -349,7 +349,7 @@ private static void testMouseAction(MouseAction mouseAction, MouseButton mouseBu
         InvalidationListener invalidationListener = observable -> setSceneLatch.countDown();
         String expectedText = mouseAction + " " + mouseButton;
         Util.runAndWait(() -> {
-        MouseActionHandler mouseActionHandler = new MouseActionHandler(button, mouseAction, mouseButton, onClickLatch);
+            MouseActionHandler mouseActionHandler = new MouseActionHandler(button, mouseAction, mouseButton, onClickLatch);
             switch (mouseAction) {
                 case PRESSED:
                     button.setOnMousePressed(mouseActionHandler);
@@ -474,12 +474,10 @@ private static void testMouseWheel(int amount) {
         InvalidationListener invalidationListener = observable -> setSceneLatch.countDown();
         int[] totalScroll = new int[]{0};
         long[] firstScrollMillis = new long[]{0};
+        int scrollMultiplier = System.getProperty("os.name").toLowerCase().startsWith("mac") ? -1 : 40;
         Util.runAndWait(() -> {
             button.setOnScroll(event -> {
-                System.out.println("event: " + event);
-                System.out.println("total scroll before: " + totalScroll[0]);
                 totalScroll[0] += event.getDeltaY();
-                System.out.println("total scroll after: " + totalScroll[0]);
                 if (firstScrollMillis[0] == 0) {
                     firstScrollMillis[0] = System.currentTimeMillis();
                 } else {
@@ -488,9 +486,8 @@ private static void testMouseWheel(int amount) {
                         onScrollLatch.countDown();
                     }
                 }
-                if (Math.abs(totalScroll[0]) / 40 >= Math.abs(amount)) {
-                    System.out.println("total scroll is greater than or equal to amount");
-                    button.setText("Scrolled " + -(totalScroll[0] / 40));
+                if (Math.abs(totalScroll[0] / scrollMultiplier) >= Math.abs(amount)) {
+                    button.setText("Scrolled " + -(totalScroll[0] / scrollMultiplier));
                     onScrollLatch.countDown();
                 }
             });
@@ -747,4 +744,4 @@ private static String colorToString(Color c) {
     private static String capFirst(String str) {
         return Character.toUpperCase(str.charAt(0)) + str.substring(1).toLowerCase();
     }
-}
+}
\ No newline at end of file