diff --git a/extensions/build.xml b/extensions/build.xml
index 71a0923fc..8612c2b13 100644
--- a/extensions/build.xml
+++ b/extensions/build.xml
@@ -11,5 +11,6 @@
     <echo message="Building extensions" />
     <ant dir="sample-extension/" target="build" />
     <ant dir="jython/" target="build" />
+    <ant dir="rdf-exporter/" target="build" />
   </target>
 </project>
\ No newline at end of file