diff --git a/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/error.object-capture-global-mutation.expect.md b/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/error.object-capture-global-mutation.expect.md
new file mode 100644
index 0000000000..1ab2a46afe
--- /dev/null
+++ b/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/error.object-capture-global-mutation.expect.md
@@ -0,0 +1,33 @@
+
+## Input
+
+```javascript
+function Foo() {
+  const x = () => {
+    window.href = 'foo';
+  };
+  const y = {x};
+  return <Bar y={y} />;
+}
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: Foo,
+  params: [],
+};
+
+```
+
+
+## Error
+
+```
+  1 | function Foo() {
+  2 |   const x = () => {
+> 3 |     window.href = 'foo';
+    |     ^^^^^^ InvalidReact: Writing to a variable defined outside a component or hook is not allowed. Consider using an effect (3:3)
+  4 |   };
+  5 |   const y = {x};
+  6 |   return <Bar y={y} />;
+```
+          
+      
\ No newline at end of file
diff --git a/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/error.object-capture-global-mutation.js b/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/error.object-capture-global-mutation.js
new file mode 100644
index 0000000000..b3c936a2a2
--- /dev/null
+++ b/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/error.object-capture-global-mutation.js
@@ -0,0 +1,12 @@
+function Foo() {
+  const x = () => {
+    window.href = 'foo';
+  };
+  const y = {x};
+  return <Bar y={y} />;
+}
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: Foo,
+  params: [],
+};