diff --git a/java/src/processing/mode/java/runner/Runner.java b/java/src/processing/mode/java/runner/Runner.java
index 05eba7764..6af2aad30 100644
--- a/java/src/processing/mode/java/runner/Runner.java
+++ b/java/src/processing/mode/java/runner/Runner.java
@@ -671,7 +671,7 @@ public class Runner implements MessageConsumer {
     } else if (exceptionClass.equals("java.lang.UnsatisfiedLinkError")) {
       listener.statusError("A library used by this sketch is not installed properly.");
       if (PApplet.platform == PConstants.LINUX) {
-        System.out.println(message);
+        err.println(message);
       }
       err.println("A library relies on native code that's not available.");
       err.println("Or only works properly when the sketch is run as a " +