fix build upload
diff --git a/releng.control/checkout.xml b/releng.control/checkout.xml
index 0d1100a..096f846 100644
--- a/releng.control/checkout.xml
+++ b/releng.control/checkout.xml
@@ -19,9 +19,9 @@
     <property file="${env.STANDARD_PROPERTIES_DIR}/${ant.project.name}.properties" />
     <!-- = = = end standard properties pattern = = = -->
 
-    <!-- if not otherwise set, the following are standard values -->
+    <!-- if not otherwise set, the following are good default values -->
     <property name="checkout.wtpbuilder.clean" value="true"/>
-
+    <property name="mapVersionTag" value="HEAD" />
     <property name="codir"
               value="${env.BUILD_HOME}/build-node/checkout/${checkoutprojectname}" />