diff --git a/python/examples/cascade_rcnn/test_client.py b/python/examples/cascade_rcnn/test_client.py
index 75e25985799ca8d3c65cf46e0d270b063af57ba6..b40e97acc3e84a7dc7411a7ad3c3f8c1dc8171a6 100644
--- a/python/examples/cascade_rcnn/test_client.py
+++ b/python/examples/cascade_rcnn/test_client.py
@@ -33,7 +33,7 @@ fetch_map = client.predict(
         "im_shape": np.array(list(im.shape[1:]) + [1.0])
     },
     fetch=["multiclass_nms_0.tmp_0"],
-    batch=True)
+    batch=False)
 fetch_map["image"] = '000000570688.jpg'
 print(fetch_map)
 postprocess(fetch_map)