diff --git a/src/main/org/apache/tools/ant/Project.java b/src/main/org/apache/tools/ant/Project.java
index c9fbf75d8..cb010ab8f 100644
--- a/src/main/org/apache/tools/ant/Project.java
+++ b/src/main/org/apache/tools/ant/Project.java
@@ -1101,15 +1101,15 @@ public class Project {
      * the message is logged directly.
      *
      * @param output Message to handle. Should not be <code>null</code>.
-     * @param isError Whether the text represents an error (<code>true</code>)
+     * @param isWarning Whether the text represents an warning (<code>true</code>)
      *        or information (<code>false</code>).
      */
-    public void demuxOutput(String output, boolean isError) {
+    public void demuxOutput(String output, boolean isWarning) {
         Task task = getThreadTask(Thread.currentThread());
         if (task == null) {
-            log(output, isError ? MSG_ERR : MSG_INFO);
+            log(output, isWarning ? MSG_WARN : MSG_INFO);
         } else {
-            if (isError) {
+            if (isWarning) {
                 task.handleErrorOutput(output);
             } else {
                 task.handleOutput(output);
diff --git a/src/main/org/apache/tools/ant/Task.java b/src/main/org/apache/tools/ant/Task.java
index a437cb02e..a45e804fa 100644
--- a/src/main/org/apache/tools/ant/Task.java
+++ b/src/main/org/apache/tools/ant/Task.java
@@ -344,12 +344,12 @@ public abstract class Task extends ProjectComponent {
     }
 
     /**
-     * Handles an error output by logging it with the ERR priority.
+     * Handles an error output by logging it with the WARN priority.
      *
      * @param output The error output to log. Should not be <code>null</code>.
      */
     protected void handleErrorOutput(String output) {
-        log(output, Project.MSG_ERR);
+        log(output, Project.MSG_WARN);
     }
 
     /**