diff --git a/src/main/org/apache/tools/ant/taskdefs/AugmentReference.java b/src/main/org/apache/tools/ant/taskdefs/AugmentReference.java
index ec761c144..8b416ab97 100644
--- a/src/main/org/apache/tools/ant/taskdefs/AugmentReference.java
+++ b/src/main/org/apache/tools/ant/taskdefs/AugmentReference.java
@@ -89,6 +89,7 @@ public class AugmentReference extends Task implements TypeAdapter {
             RuntimeConfigurable wrapper = getWrapper();
             wrapper.setAttribute("id", id);
             wrapper.setElementTag(getTaskName());
+            id = null;
         }
     }