diff --git a/include/tim/vx/ops/groupedconv1d.h b/include/tim/vx/ops/groupedconv1d.h
index 388bb8d..439291b 100644
--- a/include/tim/vx/ops/groupedconv1d.h
+++ b/include/tim/vx/ops/groupedconv1d.h
@@ -55,22 +55,25 @@ namespace ops {
 
 class GroupedConv1d : public DirectMapOp {
  public:
-  GroupedConv1d(Graph* graph, PadType padding,
-         uint32_t stride,
-         uint32_t dilation,
-         uint32_t group,
-         DataLayout input_layout = DataLayout::WCN,
-         DataLayout kernel_layout = DataLayout::WIcOc);
+  GroupedConv1d(Graph* graph, PadType padding, std::array<uint32_t, 2> pad,
+                uint32_t stride, uint32_t dilation, uint32_t group,
+                DataLayout input_layout = DataLayout::WCN,
+                DataLayout kernel_layout = DataLayout::WIcOc);
+  GroupedConv1d(Graph* graph, PadType padding, const uint32_t stride,
+                const uint32_t dilation, uint32_t group,
+                DataLayout input_layout = DataLayout::WCN,
+                DataLayout kernel_layout = DataLayout::WIcOc);
 
   DataLayout KernelDataLayout() { return kernel_layout_; }
 
-  std::shared_ptr<Operation> Clone(std::shared_ptr<Graph>& graph) const override;
+  std::shared_ptr<Operation> Clone(
+      std::shared_ptr<Graph>& graph) const override;
 
  protected:
   const PadType padding_;
+  const std::array<uint32_t, 2> pad_;
   const uint32_t stride_;
   const uint32_t dilation_;
-  const std::array<uint32_t, 2> pad_;
   const uint32_t group_;
   const DataLayout kernel_layout_;
 };
diff --git a/src/tim/vx/ops/groupedconv1d.cc b/src/tim/vx/ops/groupedconv1d.cc
index 46a8ca8..bdd9819 100644
--- a/src/tim/vx/ops/groupedconv1d.cc
+++ b/src/tim/vx/ops/groupedconv1d.cc
@@ -31,27 +31,37 @@ namespace tim {
 namespace vx {
 namespace ops {
 
-GroupedConv1d::GroupedConv1d(Graph* graph,
-               PadType padding,
-               const uint32_t stride,
-               const uint32_t dilation,
-               uint32_t group,
-               DataLayout input_layout, DataLayout kernel_layout)
+GroupedConv1d::GroupedConv1d(Graph* graph, PadType padding,
+                             const uint32_t stride, const uint32_t dilation,
+                             uint32_t group, DataLayout input_layout,
+                             DataLayout kernel_layout)
+    : GroupedConv1d(graph, padding, {0, 0}, stride, dilation, group, input_layout, kernel_layout) {}
+
+GroupedConv1d::GroupedConv1d(Graph* graph, PadType padding,
+                             std::array<uint32_t, 2> pad, const uint32_t stride,
+                             const uint32_t dilation, uint32_t group,
+                             DataLayout input_layout, DataLayout kernel_layout)
     : DirectMapOp(graph, VSI_NN_OP_GROUPED_CONV1D, 3, 1, input_layout),
-      padding_(padding), stride_(stride), dilation_(dilation),
-      pad_({0,0}), group_(group),
+      padding_(padding),
+      pad_(pad),
+      stride_(stride),
+      dilation_(dilation),
+      group_(group),
       kernel_layout_(kernel_layout) {
-  this->impl()->node()->nn_param.grouped_conv1d.pad_type = TranslatePadType(padding_);
+  this->impl()->node()->nn_param.grouped_conv1d.pad_type =
+      TranslatePadType(padding_);
+  this->impl()->node()->nn_param.grouped_conv1d.pad[0] = pad_[0];
+  this->impl()->node()->nn_param.grouped_conv1d.pad[1] = pad_[1];
   this->impl()->node()->nn_param.grouped_conv1d.stride = stride_;
   this->impl()->node()->nn_param.grouped_conv1d.group = group_;
   this->impl()->node()->nn_param.grouped_conv1d.dilation = dilation_;
-  }
+}
 
 std::shared_ptr<Operation> GroupedConv1d::Clone(
     std::shared_ptr<Graph>& graph) const {
   return graph->CreateOperation<GroupedConv1d>(
-      this->padding_, this->stride_, this->dilation_, this->group_, this->impl_->layout_,
-      this->kernel_layout_);
+      this->padding_, this->pad_, this->stride_, this->dilation_, this->group_,
+      this->impl_->layout_, this->kernel_layout_);
 }
 
 }  // namespace ops
diff --git a/src/tim/vx/ops/groupedconv1d_test.cc b/src/tim/vx/ops/groupedconv1d_test.cc
index ce96400..9486a9e 100644
--- a/src/tim/vx/ops/groupedconv1d_test.cc
+++ b/src/tim/vx/ops/groupedconv1d_test.cc
@@ -70,3 +70,49 @@ TEST(GroupedConv1d, shape_6_2_1_float_ksize_6_stride_1_group_2_no_bias_wcn) {
     EXPECT_TRUE(output_tensor->CopyDataFromTensor(output.data()));
     EXPECT_TRUE(ArraysMatch(golden, output, 1e-5f));
 }
+
+TEST(GroupedConv1d, shape_6_2_1_float_ksize_6_stride_1_group_2_no_bias_wcn_PaddingTest) {
+    auto ctx = tim::vx::Context::Create();
+    auto graph = ctx->CreateGraph();
+
+    tim::vx::ShapeType in_shape({2, 4, 1});
+    tim::vx::ShapeType param_shape({3, 2, 4});
+    tim::vx::ShapeType out_shape({2, 4, 1});
+    tim::vx::TensorSpec input_spec(tim::vx::DataType::FLOAT32,
+                            in_shape, tim::vx::TensorAttribute::INPUT);
+    tim::vx::TensorSpec param_spec(tim::vx::DataType::FLOAT32,
+                            param_shape, tim::vx::TensorAttribute::INPUT);
+    tim::vx::TensorSpec output_spec(tim::vx::DataType::FLOAT32,
+                            out_shape, tim::vx::TensorAttribute::OUTPUT);
+
+    auto input_tensor = graph->CreateTensor(input_spec);
+    auto weight_tensor = graph->CreateTensor(param_spec);
+    auto output_tensor = graph->CreateTensor(output_spec);
+
+    std::vector<float> in_data = {
+        -1, 0, 1, -1.5, 0.5, 1.5, 1, 1
+        };
+    std::vector<float> weight = {
+        -3,   -2, -1.5, 1.5, 2,   3,
+        -2.5, -2, -1.5, 1.5, 2, 2.5,
+        -1,    0,    1, -1.5, 0.5, 1.5,
+        -1.5, 1.5, 2, -1, 0, 1,
+    };
+    std::vector<float> golden = {
+        1.5, -2.25, 1, -2.25, -1.5, -3, 0.5, -3.25
+    };
+
+    EXPECT_TRUE(input_tensor->CopyDataToTensor(in_data.data(), in_data.size() * sizeof(float)));
+    EXPECT_TRUE(weight_tensor->CopyDataToTensor(weight.data(), weight.size() * sizeof(float)));
+
+    auto op = graph->CreateOperation<tim::vx::ops::GroupedConv1d>(tim::vx::PadType::VALID, 1, 1, 2);
+    (*op).BindInputs({input_tensor, weight_tensor}).BindOutputs({output_tensor});
+
+    EXPECT_TRUE(graph->Compile());
+    EXPECT_TRUE(graph->Run());
+
+    std::vector<float> output(golden.size());
+    EXPECT_TRUE(output_tensor->CopyDataFromTensor(output.data()));
+    // EXPECT_TRUE(ArraysMatch(golden, output, 1e-5f));
+    EXPECT_EQ(golden, output);
+}