diff --git a/proposal/myrmidon/src/java/org/apache/aut/vfs/FileSystemManager.java b/proposal/myrmidon/src/java/org/apache/aut/vfs/FileSystemManager.java
index 3d3e7467d..fd56fdab3 100644
--- a/proposal/myrmidon/src/java/org/apache/aut/vfs/FileSystemManager.java
+++ b/proposal/myrmidon/src/java/org/apache/aut/vfs/FileSystemManager.java
@@ -54,7 +54,7 @@ import org.apache.avalon.framework.component.Component;
 public interface FileSystemManager
     extends Component
 {
-    String ROLE = "org.apache.aut.vfs.FileSystemManager";
+    String ROLE = FileSystemManager.class.getName();
 
     /**
      * Returns the base file used to resolve relative paths.
diff --git a/proposal/myrmidon/src/java/org/apache/myrmidon/aspects/AspectHandler.java b/proposal/myrmidon/src/java/org/apache/myrmidon/aspects/AspectHandler.java
index 222e13187..12ee6c724 100644
--- a/proposal/myrmidon/src/java/org/apache/myrmidon/aspects/AspectHandler.java
+++ b/proposal/myrmidon/src/java/org/apache/myrmidon/aspects/AspectHandler.java
@@ -23,7 +23,7 @@ import org.apache.myrmidon.api.TaskException;
  */
 public interface AspectHandler
 {
-    String ROLE = "org.apache.myrmidon.aspects.AspectHandler";
+    String ROLE = AspectHandler.class.getName();
 
     Configuration preCreate( Configuration taskModel )
         throws TaskException;
diff --git a/proposal/myrmidon/src/java/org/apache/myrmidon/converter/Converter.java b/proposal/myrmidon/src/java/org/apache/myrmidon/converter/Converter.java
index 502c66029..db5355868 100644
--- a/proposal/myrmidon/src/java/org/apache/myrmidon/converter/Converter.java
+++ b/proposal/myrmidon/src/java/org/apache/myrmidon/converter/Converter.java
@@ -18,7 +18,7 @@ import org.apache.avalon.framework.context.Context;
  */
 public interface Converter
 {
-    String ROLE = "org.apache.myrmidon.converter.Converter";
+    String ROLE = Converter.class.getName();
 
     /**
      * Convert original to destination type.
diff --git a/proposal/myrmidon/src/java/org/apache/myrmidon/framework/DataType.java b/proposal/myrmidon/src/java/org/apache/myrmidon/framework/DataType.java
index e5761fb5a..73fd2a4d3 100644
--- a/proposal/myrmidon/src/java/org/apache/myrmidon/framework/DataType.java
+++ b/proposal/myrmidon/src/java/org/apache/myrmidon/framework/DataType.java
@@ -16,5 +16,5 @@ package org.apache.myrmidon.framework;
  */
 public interface DataType
 {
-    String ROLE = "org.apache.myrmidon.framework.DataType";
+    String ROLE = DataType.class.getName();
 }