diff --git a/src/test/java/com/example/project/TestHello.java b/src/test/java/com/example/project/TestHello.java
index ce624e6..aacdb7c 100644
--- a/src/test/java/com/example/project/TestHello.java
+++ b/src/test/java/com/example/project/TestHello.java
@@ -22,7 +22,7 @@ public void testHelloWorld()
      Hello.main(null);
 
      // assertion
-     assertEquals("Hello world!\n", bos.toString());
+     assertEquals("Hello world!" + System.lineSeparator(), bos.toString());
 
      // undo the binding in System
      System.setOut(originalOut);