diff --git a/build.xml b/build.xml
index 62dc983..5a60cc4 100644
--- a/build.xml
+++ b/build.xml
@@ -194,6 +194,7 @@
   <property name="test.sysprops.testclasses" value="${build.home}/tests"/>
   <property name="test.sysprops.log4j12" value="${log4j12.jar}"/>
   <property name="test.sysprops.log4j13" value="${log4j13.jar}"/>
+  <property name="test.sysprops.servletapi" value="${servletapi.jar}"/>
   <property name="test.sysprops.commons-logging" value="${build.home}/${core.jar.name}"/>
   <property name="test.sysprops.commons-logging-api" value="${build.home}/${api.jar.name}"/>
   <property name="test.sysprops.commons-logging-adapters" value="${build.home}/${adapters.jar.name}"/>