diff --git a/org.eclipse.wtp.releng.webupdatesite/build-home/updateMirrorProject.xml b/org.eclipse.wtp.releng.webupdatesite/build-home/updateMirrorProject.xml
index c158080f856a1c1280b7428cfc7d030e6d3fefc9..c7ac583d2651febe1ac1b175c0a62523a75d35d1 100644
--- a/org.eclipse.wtp.releng.webupdatesite/build-home/updateMirrorProject.xml
+++ b/org.eclipse.wtp.releng.webupdatesite/build-home/updateMirrorProject.xml
@@ -3,7 +3,7 @@
 
 
 
-	<property name="java15-home" value="${HOME}/ibm-java2-ppc-50/jre" />
+	<property name="java15-home" value="${user.home}/ibm-java2-ppc-50/jre" />
 	<property name="buildDirectory" value="${basedir}" />
 
 	<target name="update">