added build label
diff --git a/releng.wtpbuilder/distribution/wtp.api/build.xml b/releng.wtpbuilder/distribution/wtp.api/build.xml
index 5b166a0..7c7abaa 100644
--- a/releng.wtpbuilder/distribution/wtp.api/build.xml
+++ b/releng.wtpbuilder/distribution/wtp.api/build.xml
@@ -36,6 +36,7 @@
 		<property file="${build.home}/releng.wtpbuilder/distribution/wtp.api/api.properties"/>
 		<property name="wtp.api" value="${build.home}/releng.wtpbuilder/distribution/wtp.api"/>
 		<property name="apiRoot" value="${build.home}/apiRoot"/>
+		<property name="buildLabel" value="${buildId}"/>
 		<delete dir="${apiRoot}" failonerror="false"/>
 		<mkdir dir="${apiRoot}"/>
 		<antcall target="getReleng"/>