diff --git a/configs/dcn/yolov3_r50vd_dcn_db_obj365_pretrained_coco.yml b/configs/dcn/yolov3_r50vd_dcn_db_obj365_pretrained_coco.yml
index 8d4e0200e4db77d0be537e2f5c67909905e294fe..615eb0c2250b7932781a1cdac5b64dc24c064641 100755
--- a/configs/dcn/yolov3_r50vd_dcn_db_obj365_pretrained_coco.yml
+++ b/configs/dcn/yolov3_r50vd_dcn_db_obj365_pretrained_coco.yml
@@ -40,6 +40,7 @@ YOLOv3Head:
     normalized: false
     score_threshold: 0.01
   drop_block: true
+  keep_prob: 0.94
 
 YOLOv3Loss:
   batch_size: 8