Fix cowbuilder base
diff --git a/jenkins/files/pbuilderrc b/jenkins/files/pbuilderrc
index ace51c7..3b0b204 100644
--- a/jenkins/files/pbuilderrc
+++ b/jenkins/files/pbuilderrc
@@ -77,7 +77,7 @@
         BASETGZ="/var/cache/pbuilder/${NAME}-base.tgz"
         BUILDRESULT="/var/cache/pbuilder/${NAME}/result/"
         APTCACHE="/var/cache/pbuilder/${NAME}/aptcache/"
-        COWBUILDER_BASE="/var/cache/pbuilder/${NAME}-base.cow"
+        BASEPATH="/var/cache/pbuilder/${NAME}-base.cow"
     fi
     {%- endfor %}
 fi