diff --git a/src/detector.c b/src/detector.c
index 8ec3f1ae..5d284e02 100644
--- a/src/detector.c
+++ b/src/detector.c
@@ -301,7 +301,7 @@ void train_detector(char *datacfg, char *cfgfile, char *weightfile, int *gpus, i
         int calc_map_for_each = 4 * train_images_num / (net.batch * net.subdivisions);  // calculate mAP for each 4 Epochs
         calc_map_for_each = fmax(calc_map_for_each, 100);
         int next_map_calc = iter_map + calc_map_for_each;
-        next_map_calc = 1000;// fmax(next_map_calc, net.burn_in);
+        next_map_calc = fmax(next_map_calc, net.burn_in);
         //next_map_calc = fmax(next_map_calc, 400);
         if (calc_map) {
             printf("\n (next mAP calculation at %d iterations) ", next_map_calc);