diff --git a/build/darknet/x64/calc_mAP_voc_py.cmd b/build/darknet/x64/calc_mAP_voc_py.cmd
index 8c5ba3cf..d69b0ee3 100644
--- a/build/darknet/x64/calc_mAP_voc_py.cmd
+++ b/build/darknet/x64/calc_mAP_voc_py.cmd
@@ -3,9 +3,9 @@ rem C:\Users\Alex\AppData\Local\Programs\Python\Python36\Scripts\pip install cPi
 rem C:\Users\Alex\AppData\Local\Programs\Python\Python36\Scripts\pip install _pickle
 
 
-rem darknet.exe detector valid data/voc.data tiny-yolo-voc.cfg tiny-yolo-voc.weights
+rem darknet.exe detector valid data/voc.data cfg/yolov2-tiny-voc.cfg yolov2-tiny-voc.weights
 
-darknet.exe detector valid data/voc.data yolo-voc.cfg yolo-voc.weights
+darknet.exe detector valid data/voc.data cfg/yolov2-voc.cfg yolo-voc.weights
 
 
 reval_voc_py3.py --year 2007 --classes data\voc.names --image_set test --voc_dir E:\VOC2007_2012\VOCtrainval_11-May-2012\VOCdevkit results
diff --git a/src/detector.c b/src/detector.c
index dc312345..8b1dbdc9 100644
--- a/src/detector.c
+++ b/src/detector.c
@@ -645,9 +645,16 @@ void validate_detector_map(char *datacfg, char *cfgfile, char *weightfile, float
             network_predict(net, X);
 
             int nboxes = 0;
-            int letterbox = (args.type == LETTERBOX_DATA);
             float hier_thresh = 0;
-            detection *dets = get_network_boxes(&net, 1, 1, thresh, hier_thresh, 0, 0, &nboxes, letterbox);
+            detection *dets;
+            if (args.type == LETTERBOX_DATA) {
+                int letterbox = 1;
+                dets = get_network_boxes(&net, val[t].w, val[t].h, thresh, hier_thresh, 0, 1, &nboxes, letterbox);
+            }
+            else {
+                int letterbox = 0;
+                dets = get_network_boxes(&net, 1, 1, thresh, hier_thresh, 0, 0, &nboxes, letterbox);
+            }
             //detection *dets = get_network_boxes(&net, val[t].w, val[t].h, thresh, hier_thresh, 0, 1, &nboxes, letterbox); // for letterbox=1
             if (nms) do_nms_sort(dets, nboxes, l.classes, nms);