diff --git a/build.xml b/build.xml
index 9d09b5528..079d30ef3 100644
--- a/build.xml
+++ b/build.xml
@@ -443,6 +443,7 @@ under the License.
 
     <path id="forbiddenapis.classpath">
         <path refid="main.classpath"/>
+        <path refid="test.jar.classpath"/>
         <path refid="scratchpad.classpath"/>
         <path refid="ooxml.classpath"/>
         <path refid="ooxml.xmlsec.classpath"/>