diff --git a/utils/utils.py b/utils/utils.py
index 68c9a82d..a7e67b0c 100755
--- a/utils/utils.py
+++ b/utils/utils.py
@@ -529,7 +529,7 @@ def non_max_suppression(prediction, conf_thres=0.5, iou_thres=0.5, multi_cls=Tru
         box = xywh2xyxy(pred[:, :4])
 
         # Detections matrix nx6 (xyxy, conf, cls)
-        if multi_cls or conf_thres < 0.01:
+        if multi_cls:
             i, j = (pred[:, 5:] > conf_thres).nonzero().t()
             pred = torch.cat((box[i], pred[i, j + 5].unsqueeze(1), j.float().unsqueeze(1)), 1)
         else:  # best class only