diff --git a/python/tvm/relay/testing/darknet.py b/python/tvm/relay/testing/darknet.py
index c0468b7ef692..e1345043c6bb 100644
--- a/python/tvm/relay/testing/darknet.py
+++ b/python/tvm/relay/testing/darknet.py
@@ -31,7 +31,7 @@
 def convert_image(image):
     """Convert the image with numpy."""
     imagex = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
-    imagex = np.array(image)
+    imagex = np.array(imagex)
     imagex = imagex.transpose((2, 0, 1))
     imagex = np.divide(imagex, 255.0)
     imagex = np.flip(imagex, 0)