diff --git a/utils/utils.py b/utils/utils.py
index f8ac0db6..435d3c6d 100755
--- a/utils/utils.py
+++ b/utils/utils.py
@@ -345,7 +345,7 @@ def non_max_suppression(prediction, conf_thres=0.5, nms_thres=0.4):
 
         class_prob, class_pred = torch.max(F.softmax(pred[:, 5:], 1), 1)
 
-        v = ((pred[:, 4] > conf_thres) & (class_prob > .1))  # TODO examine arbitrary 0.3 thres here
+        v = ((pred[:, 4] > conf_thres) & (class_prob > .4))  # TODO examine arbitrary 0.3 thres here
         v = v.nonzero().squeeze()
         if len(v.shape) == 0:
             v = v.unsqueeze(0)