diff --git a/test.py b/test.py
index d7cc4294..1be99214 100644
--- a/test.py
+++ b/test.py
@@ -14,7 +14,7 @@ def test(cfg,
          batch_size=16,
          img_size=416,
          conf_thres=0.001,
-         iou_thres=0.5,  # for nms
+         iou_thres=0.6,  # for nms
          save_json=False,
          single_cls=False,
          model=None,