diff --git a/maven.xml b/maven.xml
index 255306e40..f25695a16 100644
--- a/maven.xml
+++ b/maven.xml
@@ -177,6 +177,7 @@
     <j:set var="collections.javadoc.tag" value="COLLECTIONS_3_0" />
     <j:set var="collections.javadoc.tag.windowtitle" value="Collections 3.0 release API" />
     <j:set var="collections.javadoc.tag.overview" value="src/java/org/apache/commons/collections/overview.html" />
+    <attainGoal name="javadoc:generate" />
     <j:set var="collections.javadoc.tag" value="COLLECTIONS_3_1" />
     <j:set var="collections.javadoc.tag.windowtitle" value="Collections 3.1 release API" />
     <j:set var="collections.javadoc.tag.overview" value="src/java/org/apache/commons/collections/overview.html" />