diff -r ff3c383b9163 -r 3e651d9ce601 src/Pure/Admin/isabelle_cronjob.scala
--- a/src/Pure/Admin/isabelle_cronjob.scala	Thu Oct 20 23:39:15 2016 +0200
+++ b/src/Pure/Admin/isabelle_cronjob.scala	Thu Oct 20 23:42:12 2016 +0200
@@ -106,7 +106,8 @@
       Remote_Build("lxbroy10", options = "-m32 -M4 -N"),
       Remote_Build("macbroy2", options = "-m32 -M4"),
       Remote_Build("macbroy30", options = "-m32 -M2"),
-      Remote_Build("macbroy31", options = "-m32 -M2"))
+      Remote_Build("macbroy31", options = "-m32 -M2"),
+      Remote_Build("vmnipkow9", options = "-m32 -M1,2,4", shared_home = false))
 
   private def remote_build_history(rev: String, r: Remote_Build): Logger_Task =
   {