diff --git a/onnx_tensorrt/backend.py b/onnx_tensorrt/backend.py
index 511dd423..c4442c6b 100644
--- a/onnx_tensorrt/backend.py
+++ b/onnx_tensorrt/backend.py
@@ -183,7 +183,6 @@ def run(self, inputs, **kwargs):
                     if np.equal(outputs[i], casted_output).all():
                         outputs[i] = np.array(outputs[i], dtype=np.double)
 
-        outputs_tuple = namedtupledict('Outputs', output_names)(*outputs)
         return namedtupledict('Outputs', output_names)(*outputs)
 
 def np2onnx_dtype(np_dtype):