diff --git a/utils/utils.py b/utils/utils.py
index 1fd88e9c..f78534da 100755
--- a/utils/utils.py
+++ b/utils/utils.py
@@ -872,7 +872,7 @@ def apply_classifier(x, model, img, im0):
 
 def fitness(x):
     # Returns fitness (for use with results.txt or evolve.txt)
-    w = [0.01, 0.01, 0.75, 0.23]  # weights for [P, R, mAP, F1]@0.5 or [P, R, mAP@0.5:0.95, mAP@0.5]
+    w = [0.0, 0.01, 0.99, 0.0]  # weights for [P, R, mAP, F1]@0.5 or [P, R, mAP@0.5:0.95, mAP@0.5]
     return (x[:, :4] * w).sum(1)