diff --git a/src/server/distrenjob.c b/src/server/distrenjob.c
--- a/src/server/distrenjob.c
+++ b/src/server/distrenjob.c
@@ -192,6 +192,14 @@ int distrenjob_unserialize(struct distre
       return 6;
     }
 
+  tmp = _distrenjob_xml_readuint(xmlnode, (xmlChar *)"jobnum", &dj->jobnum);
+  if(tmp)
+    {
+      distrenjob_free(distrenjob);
+      
+      return 7;
+    }
+
   xmlnode = xml_quickxpath(xmlxpathcontext, (xmlChar *)"/job/resolution");
   tmp = _distrenjob_xml_readuint(xmlnode, (xmlChar *)"width"   , &dj->width   );
   tmp += _distrenjob_xml_readuint(xmlnode, (xmlChar *)"height"  , &dj->height  );
@@ -205,7 +213,7 @@ int distrenjob_unserialize(struct distre
       fprintf(stderr, "distrenjob_unserialize(): error reading integer values from ``%s''\n",
 	      pathtoxml);
       distrenjob_free(distrenjob);
-      return 7;
+      return 8;
     }
 
   /**
@@ -243,7 +251,7 @@ int distrenjob_unserialize(struct distre
     {
       fprintf(stderr, "OOM!\n");
       distrenjob_free(distrenjob);
-      return 8;
+      return 9;
     }
   fs = dj->frameset;
   for(counter = start_frame; counter <= end_frame; counter ++)
@@ -286,6 +294,9 @@ int distrenjob_serialize(struct distrenj
   _distren_asprintf(&tmp, "%d", job->priority);
   xmlTextWriterWriteAttribute(writer, (xmlChar*)"priority", (xmlChar*)tmp);
   free(tmp);
+  _distren_asprintf(&tmp, "%d", job->jobnum);
+  xmlTextWriterWriteAttribute(writer, (xmlChar *)"jobnum", (xmlChar *)tmp);
+  free(tmp);
   xmlTextWriterWriteAttribute(writer, (xmlChar *)"output_format", (xmlChar *)job->output_format);