Index: src/main/java/org/apache/maven/plugin/javadoc/AbstractJavadocMojo.java
===================================================================
--- src/main/java/org/apache/maven/plugin/javadoc/AbstractJavadocMojo.java	(revision 612041)
+++ src/main/java/org/apache/maven/plugin/javadoc/AbstractJavadocMojo.java	(working copy)
@@ -348,7 +348,7 @@
      * <br/>
      * See <a href="http://java.sun.com/j2se/1.4.2/docs/tooldocs/windows/javadoc.html#encoding">encoding</a>.
      *
-     * @parameter expression="${encoding}"
+     * @parameter expression="${encoding}" default-value="ISO-8859-1"
      */
     private String encoding;