diff --git a/ste/mgr-JobMgr.go b/ste/mgr-JobMgr.go
index d4895b73b..19fc3f286 100755
--- a/ste/mgr-JobMgr.go
+++ b/ste/mgr-JobMgr.go
@@ -715,7 +715,9 @@ func (jm *jobMgr) reportJobPartDoneHandler() {
 				(isCancelling && !haveFinalPart) // If we're cancelling, it's OK to try to exit early; the user already accepted this job cannot be resumed. Outgoing requests will fail anyway, so nothing can properly clean up.
 			if shouldComplete {
 				// Inform StatusManager that all parts are done.
-				close(jm.jstm.xferDone)
+				if jm.jstm.xferDone != nil {
+					close(jm.jstm.xferDone)
+				}
 
 				// Wait  for all XferDone messages to be processed by statusManager. Front end
 				// depends on JobStatus to determine if we've to quit job. Setting it here without