diff --git a/src/main/org/apache/tools/ant/helper/ProjectHelper2.java b/src/main/org/apache/tools/ant/helper/ProjectHelper2.java
index 2562addf6..122f34b27 100644
--- a/src/main/org/apache/tools/ant/helper/ProjectHelper2.java
+++ b/src/main/org/apache/tools/ant/helper/ProjectHelper2.java
@@ -64,6 +64,7 @@ import java.io.UnsupportedEncodingException;
 import java.util.Hashtable;
 import java.util.Vector;
 import java.util.Stack;
+import java.util.Locale;
 
 import org.xml.sax.Locator;
 import org.xml.sax.InputSource;
@@ -806,7 +807,29 @@ public class ProjectHelper2 extends ProjectHelper {
         {
             RuntimeConfigurable parentWrapper=context.currentWrapper();
             RuntimeConfigurable wrapper=null;
+            Object parent=null;
 
+            if( parentWrapper!=null ) {
+                parent=parentWrapper.getProxy();
+            }
+
+            if( parent != null ) {
+                // nested elements. Backward compatibilitiy - only nested elements
+                // are lower cased in the original processor
+                qname=qname.toLowerCase( Locale.US );
+                // XXX What about nested elements that are inside TaskContainers ?
+                // We can't know that that we need lowercase until we know
+                // parent is not a TaskContainer. Maybe this test should
+                // be done in UnknownElement.
+
+                // Note: the original code seems to have a similar problem: the lowercase
+                // conversion happens only inside ProjectHelper, if we know that the
+                // parent is not TaskContainer. If the parent is not known - UE are used
+                // and AFAIK there is no code to deal with that, so the conversion will be
+                // different based on context ( if the enclosing task is taskdefed in target
+                // or known at top level ).
+            }
+            
             /* UnknownElement is used for tasks and data types - with
                delayed eval */
             UnknownElement task= new UnknownElement(qname);
@@ -823,11 +846,6 @@ public class ProjectHelper2 extends ProjectHelper {
 
             context.configureId(task, attrs);
 
-            Object parent=null;
-            if( parentWrapper!=null ) {
-                parent=parentWrapper.getProxy();
-            }
-
             if( parent != null ) {
                 // Nested element
                 ((UnknownElement)parent).addChild( task );