diff --git a/ppdet/modeling/architectures/faster_rcnn.py b/ppdet/modeling/architectures/faster_rcnn.py
index 26a2672d60f49aa989c7945b65ce3ecd9beec182..ce9a8e4b57d2dfe54fde037fed2dc0156cb71b51 100644
--- a/ppdet/modeling/architectures/faster_rcnn.py
+++ b/ppdet/modeling/architectures/faster_rcnn.py
@@ -87,8 +87,8 @@ class FasterRCNN(BaseArch):
                                                     im_shape, scale_factor)
 
             # rescale the prediction back to origin image
-            bbox_pred = self.bbox_post_process.get_pred(bbox, bbox_num,
-                                                        im_shape, scale_factor)
+            bboxes, bbox_pred, bbox_num = self.bbox_post_process.get_pred(
+                bbox, bbox_num, im_shape, scale_factor)
             return bbox_pred, bbox_num
 
     def get_loss(self, ):