diff --git a/steganogan/encoders.py b/steganogan/encoders.py
index d1a93c8..225cb97 100644
--- a/steganogan/encoders.py
+++ b/steganogan/encoders.py
@@ -2,7 +2,14 @@
 
 import torch
 from torch import nn
+import torch.onnx
+from torchvision.ops.deform_conv import DeformConv2d
 
+input = torch.rand(4, 3, 10, 10)
+kh, kw = 3, 3
+weight = torch.rand(5, 3, kh, kw)
+offset = torch.rand(4, 2 * kh * kw, 8, 8)
+mask = torch.rand(4, kh * kw, 8, 8)
 
 class BasicEncoder(nn.Module):
     """
@@ -16,11 +23,11 @@ class BasicEncoder(nn.Module):
     add_image = False
 
     def _conv2d(self, in_channels, out_channels):
-        return nn.Conv2d(
-            in_channels=in_channels,
-            out_channels=out_channels,
-            kernel_size=3,
-            padding=1
+        return DeformConv2d(
+            input=input,
+            offset,
+            weight,
+            mask
         )
 
     def _build_models(self):