diff --git a/releng.wtpbuilder/distribution/wtp.perf/perf.xml b/releng.wtpbuilder/distribution/wtp.perf/perf.xml
index 3b30b177a171d39c975eb76e0d81f883f14b8789..ef6008bb4fce810e9a271a25209192addc9c1fcf 100644
--- a/releng.wtpbuilder/distribution/wtp.perf/perf.xml
+++ b/releng.wtpbuilder/distribution/wtp.perf/perf.xml
@@ -1,5 +1,6 @@
 <project name="WTP performance testing" default="main">
 
+	<property environment="env"/>
 	<!-- Platform property -->
 	<property name="platform" value="" />
 
@@ -34,6 +35,9 @@
 	<target name="runtests" if="test.xml.exists">
 		<ant antfile="${perfRoot}/eclipse/plugins/${testPlugin}/test.xml" dir="${perfRoot}/eclipse">
 			<property name="library-file" value="${build.home}/releng.wtpbuilder/distribution/wtp.perf/performance-tests.xml"/>
+			<property name="os" value="${env.BASEOS}"/>
+			<property name="ws" value="${env.BASEWS}"/>
+			<property name="arch" value="${env.BASEARCH}"/>
 		</ant>
 		<mkdir dir="${results}/xml"/>
 		<copy file="${perfRoot}/eclipse/${report}.xml" tofile="${results}/xml/${report}_${platform}.xml" failonerror="false" />