Index: trunk/Ohana/src/opihi/pcontrol/StartJob.c
===================================================================
--- trunk/Ohana/src/opihi/pcontrol/StartJob.c	(revision 8424)
+++ trunk/Ohana/src/opihi/pcontrol/StartJob.c	(revision 10652)
@@ -10,4 +10,6 @@
 
   /* job must have assigned host */
+  ASSERT (job != NULL, "missing job");
+  ASSERT (host != NULL, "missing host");
   ASSERT (host == (Host *) job[0].host, "invalid host");
   ASSERT (job  == (Job *) host[0].job, "invalid job");