diff --git a/deploy/onnx_demo.py b/deploy/onnx_demo.py
index 35f2713e..bf203e8f 100644
--- a/deploy/onnx_demo.py
+++ b/deploy/onnx_demo.py
@@ -175,9 +175,9 @@ def inference_with_postprocessing(ort_session,
     bboxes = bboxes.cpu().numpy()
     labels = labels.cpu().numpy()
 
+    bboxes /= scale_factor
     bboxes -= np.array(
         [pad_param[1], pad_param[0], pad_param[1], pad_param[0]])
-    bboxes /= scale_factor
     bboxes[:, 0::2] = np.clip(bboxes[:, 0::2], 0, w)
     bboxes[:, 1::2] = np.clip(bboxes[:, 1::2], 0, h)
     bboxes = bboxes.round().astype('int')