diff --git a/source/pytorch.js b/source/pytorch.js
index 80c144fc2f..64082b4a09 100644
--- a/source/pytorch.js
+++ b/source/pytorch.js
@@ -2055,6 +2055,10 @@ pytorch.Container.Zip.Execution = class extends pytorch.Execution {
                                         case 'torch.hardtanh_':
                                         case 'torch.upsample_bilinear2d':
                                         case 'ops.prepacked.conv2d_clamp_run': {
+                                            const input = evalArgs[0];
+                                            if (pytorch.Utility.isTensor(input) && input.size() === undefined) {
+                                                input.resize_([ NaN, NaN, NaN, NaN ]);
+                                            }
                                             parameter.resize_([ NaN, NaN, NaN, NaN ]);
                                             break;
                                         }
@@ -2086,6 +2090,7 @@ pytorch.Container.Zip.Execution = class extends pytorch.Execution {
                                         case 'torch.gelu':
                                         case 'torch.relu':
                                         case 'torch.clamp_':
+                                        case 'torch._add_relu_':
                                         case 'torch.hardswish_': {
                                             const input = evalArgs[0];
                                             if (pytorch.Utility.isTensor(input) && Array.isArray(input.size())) {
diff --git a/test/models.json b/test/models.json
index bc9a2a3c60..7018bddfbd 100644
--- a/test/models.json
+++ b/test/models.json
@@ -4160,6 +4160,13 @@
     "format":   "TorchScript v1.6",
     "link":     "https://github.com/lutzroeder/netron/issues/630"
   },
+  {
+    "type":     "pytorch",
+    "target":   "deeplabv3_scripted.ptl",
+    "source":   "https://github.com/lutzroeder/netron/files/9562007/deeplabv3_scripted.ptl.zip[deeplabv3_scripted.ptl]",
+    "format":   "TorchScript v1.6",
+    "link":     "https://github.com/lutzroeder/netron/issues/842"
+  },
   {
     "type":     "pytorch",
     "target":   "DCGAN2.pt",