Index: groovy/util/AntBuilder.java
===================================================================
--- groovy/util/AntBuilder.java	(revision 4072)
+++ groovy/util/AntBuilder.java	(working copy)
@@ -82,7 +82,7 @@
     private Project project;
     private final AntXMLContext antXmlContext;
     private final ProjectHelper2.ElementHandler antElementHandler = new ProjectHelper2.ElementHandler();
-    private final Target collectorTarget = new Target();
+    private final Target collectorTarget;
     private Object lastCompletedNode;
 
 
@@ -92,8 +92,13 @@
     }
 
     public AntBuilder(final Project project) {
+        this(project,new Target());
+    }
+
+    public AntBuilder(final Project project, final Target owningTarget) {
         this.project = project;
-        
+        collectorTarget = owningTarget;
+ 
         antXmlContext = new AntXMLContext(project);
         collectorTarget.setProject(project);
         antXmlContext.setCurrentTarget(collectorTarget);
Index: org/codehaus/groovy/ant/Groovy.java
===================================================================
--- org/codehaus/groovy/ant/Groovy.java	(revision 4066)
+++ org/codehaus/groovy/ant/Groovy.java	(working copy)
@@ -358,7 +358,7 @@
         final GroovyShell groovy = new GroovyShell(classLoader, new Binding(), configuration);
         try {
             final Script script = groovy.parse(txt);
-            script.setProperty("ant", new AntBuilder(project));
+            script.setProperty("ant", new AntBuilder(project,getOwningTarget()));
             script.setProperty("project", project);
             script.setProperty("properties", new AntProjectPropertiesDelegate(project));
             script.setProperty("target", getOwningTarget());