diff --git a/train.py b/train.py
index 62a9bc62..f43489a4 100644
--- a/train.py
+++ b/train.py
@@ -301,7 +301,7 @@ def train(cfg,
                                           batch_size=batch_size,
                                           img_size=opt.img_size,
                                           model=model,
-                                          conf_thres=0.001 if final_epoch else 0.1,  # 0.1 for speed
+                                          conf_thres=0.001 if final_epoch and epoch > 0 else 0.1,  # 0.1 for speed
                                           save_json=final_epoch and 'coco.data' in data)
 
         # Write epoch results