Index: trunk/MagicSoft/Mars/mjobs/MJob.cc
===================================================================
--- trunk/MagicSoft/Mars/mjobs/MJob.cc	(revision 9245)
+++ trunk/MagicSoft/Mars/mjobs/MJob.cc	(revision 9246)
@@ -303,4 +303,10 @@
     if (!seed.IsNull())
     {
+        if (!seed.IsAlnum())
+        {
+            *fLog << err << "ERROR - RandomNumberSeedValue not an integer: " << seed <<  endl;
+            return kFALSE;
+        }
+
         gRandom->SetSeed(seed.Atoi());
         *fLog << inf << "Random number seed value set to " << seed.Atoi() << endl;