diff --git a/solr/common-build.xml b/solr/common-build.xml
index d22f74c00bc..8c8a789a1a2 100644
--- a/solr/common-build.xml
+++ b/solr/common-build.xml
@@ -275,7 +275,7 @@
     </sequential>
   </macrodef>
 
-  <target name="define-lucene-javadoc-url">
+  <target name="define-lucene-javadoc-url" unless="lucene.javadoc.url">
     <script language="javascript"><![CDATA[
       var url, version = project.getProperty('version');
       if (version.contains('-SNAPSHOT')) {