diff --git a/releng/org.eclipse.cdt.releng/build.xml b/releng/org.eclipse.cdt.releng/build.xml
index c6cf1d45897..990ec9a8dce 100644
--- a/releng/org.eclipse.cdt.releng/build.xml
+++ b/releng/org.eclipse.cdt.releng/build.xml
@@ -14,6 +14,7 @@
 		<property name="branchVersion" value="4.0.0"/>
 		<property name="timestamp" value="${DSTAMP}${TSTAMP}" />
 		<property name="forceContextQualifier" value="${timestamp}"/>
+		<property name="outputUpdateJars" value="true"/>
 		<property name="buildDirectory" value="${basedir}/results" />
 		<property name="baseLocation" value="${buildDirectory}/eclipse"/>
 		<property name="pde.build.scripts" value="${eclipse.home}/plugins/org.eclipse.pde.build/scripts"/>
@@ -86,7 +87,7 @@
 		</antcall>
 	</target>
 	
-	<target name="zips" depends="init">
+	<target name="zips" depends="init,unzip">
 		<ant antfile="build.xml" dir="${pde.build.scripts}">
 			<property name="builder" value="${basedir}/platform" />
 		</ant>