diff --git a/src/tim/vx/internal/src/ops/vsi_nn_op_deconvolution1d.c b/src/tim/vx/internal/src/ops/vsi_nn_op_deconvolution1d.c
index 1180dbe..494d3d4 100644
--- a/src/tim/vx/internal/src/ops/vsi_nn_op_deconvolution1d.c
+++ b/src/tim/vx/internal/src/ops/vsi_nn_op_deconvolution1d.c
@@ -264,9 +264,8 @@ static vsi_bool op_setup
         }
         else
         {
-            outputs[0]->attr.size[1] = inputs[1]->attr.size[3];
+            outputs[0]->attr.size[1] = inputs[1]->attr.size[2];
         }
-        outputs[0]->attr.size[1] = nn_param->weights;
         outputs[0]->attr.size[2] = inputs[0]->attr.size[2];
         outputs[0]->attr.dim_num = inputs[0]->attr.dim_num;
     }