diff --git a/configs/DarkNet/DarkNet53.yaml b/configs/DarkNet/DarkNet53.yaml
index 1b868c1e1..525ba711f 100644
--- a/configs/DarkNet/DarkNet53.yaml
+++ b/configs/DarkNet/DarkNet53.yaml
@@ -62,7 +62,7 @@ VALID:
         - ResizeImage:
             resize_short: 256
         - CropImage:
-            size: 224
+            size: 256
         - NormalizeImage:
             scale: 1.0/255.0
             mean: [0.485, 0.456, 0.406]