diff --git a/build.xml b/build.xml
index ec081cea2..2766cc8a0 100644
--- a/build.xml
+++ b/build.xml
@@ -35,6 +35,7 @@
         <concat destfile="${JQ}">
             <fileset dir="${SRC_DIR}" includes="intro.js" />
             <fileset dir="${SRC_DIR}" includes="core.js" />
+            <fileset dir="${SRC_DIR}" includes="data.js" />
             <fileset dir="${SRC_DIR}" includes="support.js" />
             <fileset dir="${SRC_DIR}" includes="selector.js" />
             <fileset dir="${SRC_DIR}" includes="event.js" />