diff --git a/releng/org.eclipse.epp.usagedata.releng.tycho/sign.xml b/releng/org.eclipse.epp.usagedata.releng.tycho/sign.xml
index d8a1e3c..85adbb4 100644
--- a/releng/org.eclipse.epp.usagedata.releng.tycho/sign.xml
+++ b/releng/org.eclipse.epp.usagedata.releng.tycho/sign.xml
@@ -3,7 +3,7 @@
 	name="Sign all jar files with Eclipse Foundation key">
 
 	<property name="target.dir" value="org.eclipse.epp/releng/org.eclipse.epp.usagedata.repository/target/" />
-	<property name="archiveName" value="org.eclipse.epp.usagedata.feature-${BUILD_TAG}.zip" />
+	<property name="archive.name" value="org.eclipse.epp.usagedata.feature-${BUILD_TAG}.zip" />
 	<property name="udc.archiveDir" value="${buildDirectory}/${buildLabel}" />
 	<property name="udc.signInputDir"
 		value="/home/data/httpd/download-staging.priv/technology/epp" />
@@ -12,12 +12,13 @@
 	<property name="udc.outputFile" value="${udc.signOutputDir}/${udc.archiveName}" />
 
 	<target name="makeZip" depends="test.update.site.exists" if="update.site.exists">
-		<echo message="Zipping update site into ${archiveName}" />
-		<zip destfile="archiveName" basedir="${target.dir}"/>
+		<echo message="Zipping update site into ${archive.name}" />
+		<zip destfile="${archive.name}" basedir="${target.dir}"/>
 	</target>
 	
 	<target name="test.update.site.exists">
 		<available file="${target.dir}" type="dir" property="update.site.exists" />
+		<echo message="${target.dir} exists: ${update.site.exists}" />
 	</target>
 	
 	<target name="signJars" depends="test.signer.exists" if="signer.exists">