--- a/src/main/java/org/apache/maven/plugin/assembly/mojos/AbstractAssemblyMojo.java
+++ b/src/main/java/org/apache/maven/plugin/assembly/mojos/AbstractAssemblyMojo.java
@@ -207,7 +207,7 @@
     /**
      * Maven ProjectHelper.
      *
-     * @component
+     * @component role="org.apache.maven.project.MavenProjectHelper"
      */
     private MavenProjectHelper projectHelper;
     
@@ -281,12 +281,12 @@
     private boolean attach;
 
     /**
-     * @component
+     * @component role="org.apache.maven.plugin.assembly.archive.AssemblyArchiver"
      */
     private AssemblyArchiver assemblyArchiver;
 
     /**
-     * @component
+     * @component role="org.apache.maven.plugin.assembly.io.AssemblyReader"
      */
     private AssemblyReader assemblyReader;