streamline build scripts
diff --git a/releng.wtpbuilder/scripts/build/runbuild.xml b/releng.wtpbuilder/scripts/build/runbuild.xml
index 9ec8dc4..72840f2 100644
--- a/releng.wtpbuilder/scripts/build/runbuild.xml
+++ b/releng.wtpbuilder/scripts/build/runbuild.xml
@@ -130,7 +130,7 @@
                 value="${env.LOCAL_PREREQS_CACHE}" />
             <property
                 name="baseLocation"
-                value="${env.BUILD_PROJ/${projectname}/${base.location}" />
+                value="${env.PROJECT_PROJECTS}/${projectname}/${base.location}" />
             <property
                 name="buildRoot"
                 value="${env.PROJECT_PROJECTS}/${projectname}" />