diff --git a/python/tvm/topi/nn/conv2d_transpose.py b/python/tvm/topi/nn/conv2d_transpose.py
index b351af991ae6f..5638d3d77fd28 100644
--- a/python/tvm/topi/nn/conv2d_transpose.py
+++ b/python/tvm/topi/nn/conv2d_transpose.py
@@ -301,8 +301,8 @@ def conv2d_transpose_legalize(attrs, inputs, types):
     data, kernel = inputs
     kernel_layout = attrs["kernel_layout"]
 
-    target = tvm.target.Target.current(allow_none=False)
-    if "cudnn" in target.libs:
+    target = tvm.target.Target.current(allow_none=True)
+    if target and "cudnn" in target.libs:
         # cuDNN backend can directly operate on NHWC layout.
         return None