diff --git a/extensions/build.xml b/extensions/build.xml
index 29efe08c9..643f4508f 100644
--- a/extensions/build.xml
+++ b/extensions/build.xml
@@ -11,11 +11,13 @@
     <echo message="Building extensions" />
     <ant dir="sample-extension/" target="build" />
     <ant dir="jython/" target="build" />
+    <ant dir="freebase/" target="build" />
   </target>
 
   <target name="clean">
     <echo message="cleaning extensions" />
     <ant dir="sample-extension/" target="clean" />
     <ant dir="jython/" target="clean" />
+    <ant dir="freebase/" target="clean" />
   </target>
 </project>
\ No newline at end of file