diff --git a/proposal/myrmidon/src/java/org/apache/myrmidon/api/TaskContext.java b/proposal/myrmidon/src/java/org/apache/myrmidon/api/TaskContext.java
index b17aa899e..487a49d59 100644
--- a/proposal/myrmidon/src/java/org/apache/myrmidon/api/TaskContext.java
+++ b/proposal/myrmidon/src/java/org/apache/myrmidon/api/TaskContext.java
@@ -30,9 +30,9 @@ public interface TaskContext
     ScopeEnum       TOP_LEVEL          = new ScopeEnum( "TopLevel" );
 
     //these are the names of properties that every TaskContext must contain
-    String          JAVA_VERSION       = "ant.java.version";
-    String          BASE_DIRECTORY     = "ant.base.directory";
-    String          NAME               = "ant.task.name";
+    String          JAVA_VERSION       = "myrmidon.java.version";
+    String          BASE_DIRECTORY     = "myrmidon.base.directory";
+    String          NAME               = "myrmidon.task.name";
 
     /**
      * Retrieve JavaVersion running under.