diff --git a/jetty-start/src/main/java/org/eclipse/jetty/start/Main.java b/jetty-start/src/main/java/org/eclipse/jetty/start/Main.java
index 47062ff526b..89886fe7654 100644
--- a/jetty-start/src/main/java/org/eclipse/jetty/start/Main.java
+++ b/jetty-start/src/main/java/org/eclipse/jetty/start/Main.java
@@ -362,8 +362,8 @@ public class Main
             // Anything else is considered an XML file.
             if (xmls.contains(arg))
             {
-                System.out.println("WARN: Argument '" + arg + "' specified multiple times. Check start.ini?");
-                System.out.println("Use \"java -jar start.jar --help\" for more information.");
+                System.err.println("WARN: Argument '" + arg + "' specified multiple times. Check start.ini?");
+                System.err.println("Use \"java -jar start.jar --help\" for more information.");
             }
             xmls.add(arg);
         }