diff --git a/build/darknet/x64/calc_anchors.cmd b/build/darknet/x64/calc_anchors.cmd
index 497b30b0..1c7d2d8f 100644
--- a/build/darknet/x64/calc_anchors.cmd
+++ b/build/darknet/x64/calc_anchors.cmd
@@ -1,10 +1,10 @@
 rem # How to calculate Yolo v2 anchors using K-means++
 
 
-darknet.exe detector calc_anchors data/voc.data -num_of_clusters 5 -width 416 -heigh 416
+darknet.exe detector calc_anchors data/voc.data -num_of_clusters 9 -width 416 -heigh 416
 
 
-rem darknet.exe detector calc_anchors data/voc.data -num_of_clusters 5 -width 416 -heigh 416 -show
+rem darknet.exe detector calc_anchors data/voc.data -num_of_clusters 9 -width 416 -heigh 416 -show