diff --git a/src/server/distrend.c b/src/server/distrend.c
--- a/src/server/distrend.c
+++ b/src/server/distrend.c
@@ -671,7 +671,7 @@ struct distrenjob *createJobFromXML(int 
 
   // change the status of all frames to "unassigned"
   counter2 = start_frame;
-  for(counter = 0; counter <= (end_frame- start_frame + 1); counter++){
+  for(counter = 0; counter <= distrenjob->total_frames; counter++){
     distrenjob->frameset[counter].num = counter2;
     distrenjob->frameset[counter].status = FRAMESETSTATUS_UNASSIGNED;