diff --git a/code/samples/mul_add.js b/code/samples/mul_add.js
index 66cb7fad..6e9e3ecf 100644
--- a/code/samples/mul_add.js
+++ b/code/samples/mul_add.js
@@ -22,6 +22,7 @@ const tensorC = await context.createTensor({
   ...desc,
   usage: MLTensorUsage.READ,
   readable: true,
+  writable: false,
 });
 const inputs = {'A': tensorA, 'B': tensorB};
 const outputs = {'C': tensorC};
diff --git a/code/samples/simple_graph.js b/code/samples/simple_graph.js
index bd6029af..efb724ea 100644
--- a/code/samples/simple_graph.js
+++ b/code/samples/simple_graph.js
@@ -62,6 +62,7 @@ const outputTensor = await context.createTensor({
   ...desc,
   usage: MLTensorUsage.READ,
   readable: true,
+  writable: false,
 });
 
 // Execute the compiled graph with the specified inputs.