diff --git a/train.py b/train.py
index 1d278058..896d309d 100644
--- a/train.py
+++ b/train.py
@@ -366,8 +366,8 @@ def train():
     # end training
     if len(opt.name) and not opt.prebias:
         os.rename('results.txt', 'results_%s.txt' % opt.name)
-        os.rename(wdir + 'best.pt', wdir + 'best_%s.pt' % opt.name)
         os.rename(wdir + 'last.pt', wdir + 'last_%s.pt' % opt.name)
+        os.rename(wdir + 'best.pt', wdir + 'best_%s.pt' % opt.name) if os.path.exists(wdir + 'best.pt') else None
     plot_results()  # save as results.png
     print('%g epochs completed in %.3f hours.\n' % (epoch - start_epoch + 1, (time.time() - t0) / 3600))
     dist.destroy_process_group() if torch.cuda.device_count() > 1 else None