diff --git a/build.xml b/build.xml
index 8c2b7eae0..7b01c1b01 100644
--- a/build.xml
+++ b/build.xml
@@ -772,6 +772,7 @@
             <filename name="${util.package}/optional/**"/>
             <selector refid="needs.apache-log4j"/>
             <selector refid="needs.commons-logging"/>
+            <selector refid="needs.apache-bsf"/>
             <selector refid="needs.apache-regexp"/>
             <selector refid="needs.apache-oro"/>
             <selector refid="needs.jdk1.4+"/>