diff --git a/compiler/packages/babel-plugin-react-compiler/src/HIR/BuildHIR.ts b/compiler/packages/babel-plugin-react-compiler/src/HIR/BuildHIR.ts
index d0335fb3a43..cd7d6a7a35b 100644
--- a/compiler/packages/babel-plugin-react-compiler/src/HIR/BuildHIR.ts
+++ b/compiler/packages/babel-plugin-react-compiler/src/HIR/BuildHIR.ts
@@ -3001,6 +3001,8 @@ function isReorderableExpression(
         }
       }
     }
+    case 'TSAsExpression':
+    case 'TSNonNullExpression':
     case 'TypeCastExpression': {
       return isReorderableExpression(
         builder,
diff --git a/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/ts-as-expression-default-value.expect.md b/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/ts-as-expression-default-value.expect.md
new file mode 100644
index 00000000000..505224cf9ed
--- /dev/null
+++ b/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/ts-as-expression-default-value.expect.md
@@ -0,0 +1,67 @@
+
+## Input
+
+```javascript
+type Status = 'pending' | 'success' | 'error';
+
+const StatusIndicator = ({status}: {status: Status}) => {
+  return <div className={`status-${status}`}>Status: {status}</div>;
+};
+
+const Component = ({status = 'pending' as Status}) => {
+  return <StatusIndicator status={status} />;
+};
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: Component,
+  params: [{status: 'success'}],
+};
+
+```
+
+## Code
+
+```javascript
+import { c as _c } from "react/compiler-runtime";
+type Status = "pending" | "success" | "error";
+
+const StatusIndicator = (t0) => {
+  const $ = _c(3);
+  const { status } = t0;
+  const t1 = `status-${status}`;
+  let t2;
+  if ($[0] !== status || $[1] !== t1) {
+    t2 = <div className={t1}>Status: {status}</div>;
+    $[0] = status;
+    $[1] = t1;
+    $[2] = t2;
+  } else {
+    t2 = $[2];
+  }
+  return t2;
+};
+
+const Component = (t0) => {
+  const $ = _c(2);
+  const { status: t1 } = t0;
+  const status = t1 === undefined ? ("pending" as Status) : t1;
+  let t2;
+  if ($[0] !== status) {
+    t2 = <StatusIndicator status={status} />;
+    $[0] = status;
+    $[1] = t2;
+  } else {
+    t2 = $[1];
+  }
+  return t2;
+};
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: Component,
+  params: [{ status: "success" }],
+};
+
+```
+      
+### Eval output
+(kind: ok) <div class="status-success">Status: success</div>
\ No newline at end of file
diff --git a/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/ts-as-expression-default-value.tsx b/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/ts-as-expression-default-value.tsx
new file mode 100644
index 00000000000..715efd5bdc8
--- /dev/null
+++ b/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/ts-as-expression-default-value.tsx
@@ -0,0 +1,14 @@
+type Status = 'pending' | 'success' | 'error';
+
+const StatusIndicator = ({status}: {status: Status}) => {
+  return <div className={`status-${status}`}>Status: {status}</div>;
+};
+
+const Component = ({status = 'pending' as Status}) => {
+  return <StatusIndicator status={status} />;
+};
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: Component,
+  params: [{status: 'success'}],
+};
diff --git a/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/ts-non-null-expression-default-value.expect.md b/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/ts-non-null-expression-default-value.expect.md
new file mode 100644
index 00000000000..7af6bc996a9
--- /dev/null
+++ b/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/ts-non-null-expression-default-value.expect.md
@@ -0,0 +1,54 @@
+
+## Input
+
+```javascript
+const THEME_MAP: ReadonlyMap<string, string> = new Map([
+  ['default', 'light'],
+  ['dark', 'dark'],
+]);
+
+export const Component = ({theme = THEME_MAP.get('default')!}) => {
+  return <div className={`theme-${theme}`}>User preferences</div>;
+};
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: Component,
+  params: [{status: 'success'}],
+};
+
+```
+
+## Code
+
+```javascript
+import { c as _c } from "react/compiler-runtime";
+const THEME_MAP: ReadonlyMap<string, string> = new Map([
+  ["default", "light"],
+  ["dark", "dark"],
+]);
+
+export const Component = (t0) => {
+  const $ = _c(2);
+  const { theme: t1 } = t0;
+  const theme = t1 === undefined ? THEME_MAP.get("default") : t1;
+  const t2 = `theme-${theme}`;
+  let t3;
+  if ($[0] !== t2) {
+    t3 = <div className={t2}>User preferences</div>;
+    $[0] = t2;
+    $[1] = t3;
+  } else {
+    t3 = $[1];
+  }
+  return t3;
+};
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: Component,
+  params: [{ status: "success" }],
+};
+
+```
+      
+### Eval output
+(kind: ok) <div class="theme-light">User preferences</div>
\ No newline at end of file
diff --git a/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/ts-non-null-expression-default-value.tsx b/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/ts-non-null-expression-default-value.tsx
new file mode 100644
index 00000000000..c1d835d6f0f
--- /dev/null
+++ b/compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/ts-non-null-expression-default-value.tsx
@@ -0,0 +1,13 @@
+const THEME_MAP: ReadonlyMap<string, string> = new Map([
+  ['default', 'light'],
+  ['dark', 'dark'],
+]);
+
+export const Component = ({theme = THEME_MAP.get('default')!}) => {
+  return <div className={`theme-${theme}`}>User preferences</div>;
+};
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: Component,
+  params: [{status: 'success'}],
+};