diff --git a/packages/playwright-ct-core/src/tsxTransform.ts b/packages/playwright-ct-core/src/tsxTransform.ts
index 0af7c181b9517..5a2837bd8600c 100644
--- a/packages/playwright-ct-core/src/tsxTransform.ts
+++ b/packages/playwright-ct-core/src/tsxTransform.ts
@@ -21,6 +21,7 @@ import { setTransformData } from 'playwright/lib/transform/transform';
 const t: typeof T = types;
 
 let jsxComponentNames: Set<string>;
+let classComponentNames: Set<string>;
 let importInfos: Map<string, ImportInfo>;
 
 export default declare((api: BabelAPI) => {
@@ -32,6 +33,7 @@ export default declare((api: BabelAPI) => {
       Program: {
         enter(path) {
           jsxComponentNames = collectJsxComponentUsages(path.node);
+          classComponentNames = collectClassMountUsages(path.node);
           importInfos = new Map();
         },
         exit(path) {
@@ -93,7 +95,7 @@ export default declare((api: BabelAPI) => {
           if (t.isImportNamespaceSpecifier(specifier))
             continue;
           const { localName, info } = importInfo(importNode, specifier, this.filename!);
-          if (jsxComponentNames.has(localName)) {
+          if (jsxComponentNames.has(localName) || classComponentNames.has(localName)) {
             importInfos.set(localName, info);
             ++importCount;
           }
@@ -141,6 +143,23 @@ function collectJsxComponentUsages(node: T.Node): Set<string> {
   return names;
 }
 
+function collectClassMountUsages(node: T.Node): Set<string> {
+  const names = new Set<string>();
+  traverse(node, {
+    enter: p => {
+      // Treat calls to mount and all identifiers in arguments as component usages e.g. mount(Component)
+      if (t.isCallExpression(p.node) && t.isIdentifier(p.node.callee) && p.node.callee.name === 'mount') {
+        p.traverse({
+          Identifier: p => {
+            names.add(p.node.name);
+          }
+        });
+      }
+    }
+  });
+  return names;
+}
+
 export type ImportInfo = {
   id: string;
   filename: string;
diff --git a/tests/components/ct-vue-vite/src/components/Story.ts b/tests/components/ct-vue-vite/src/components/Story.ts
new file mode 100644
index 0000000000000..c0e5d21d68cd2
--- /dev/null
+++ b/tests/components/ct-vue-vite/src/components/Story.ts
@@ -0,0 +1,10 @@
+import { defineComponent, h } from 'vue';
+
+export const Story = defineComponent(
+  (props) => {
+    return () => h('div', props.title);
+  },
+  {
+    props: ['title'],
+  }
+);
diff --git a/tests/components/ct-vue-vite/tests/render/render.spec.js b/tests/components/ct-vue-vite/tests/render/render.spec.js
index f0af3a2cdf499..d4af262fa211e 100644
--- a/tests/components/ct-vue-vite/tests/render/render.spec.js
+++ b/tests/components/ct-vue-vite/tests/render/render.spec.js
@@ -2,6 +2,7 @@ import { test, expect } from '@playwright/experimental-ct-vue';
 import Button from '@/components/Button.vue';
 import EmptyTemplate from '@/components/EmptyTemplate.vue';
 import Component from '@/components/Component.vue';
+import { Story } from '@/components/Story';
 
 test('render props', async ({ mount }) => {
   const component = await mount(Button, {
@@ -23,3 +24,12 @@ test('render a component without options', async ({ mount }) => {
   const component = await mount(Component);
   await expect(component).toContainText('test');
 });
+
+test('render props with defineComponent syntax', async ({ mount }) => {
+  const component = await mount(Story, {
+    props: {
+      title: 'story/wrapper'
+    }
+  });
+  await expect(component).toContainText('story/wrapper');
+});
diff --git a/tests/components/ct-vue-vite/tests/render/render.spec.ts b/tests/components/ct-vue-vite/tests/render/render.spec.ts
index f0af3a2cdf499..d4af262fa211e 100644
--- a/tests/components/ct-vue-vite/tests/render/render.spec.ts
+++ b/tests/components/ct-vue-vite/tests/render/render.spec.ts
@@ -2,6 +2,7 @@ import { test, expect } from '@playwright/experimental-ct-vue';
 import Button from '@/components/Button.vue';
 import EmptyTemplate from '@/components/EmptyTemplate.vue';
 import Component from '@/components/Component.vue';
+import { Story } from '@/components/Story';
 
 test('render props', async ({ mount }) => {
   const component = await mount(Button, {
@@ -23,3 +24,12 @@ test('render a component without options', async ({ mount }) => {
   const component = await mount(Component);
   await expect(component).toContainText('test');
 });
+
+test('render props with defineComponent syntax', async ({ mount }) => {
+  const component = await mount(Story, {
+    props: {
+      title: 'story/wrapper'
+    }
+  });
+  await expect(component).toContainText('story/wrapper');
+});
diff --git a/tests/components/ct-vue-vite/tests/render/render.spec.tsx b/tests/components/ct-vue-vite/tests/render/render.spec.tsx
index e4cf96ec8fa96..1458e45ebeccb 100644
--- a/tests/components/ct-vue-vite/tests/render/render.spec.tsx
+++ b/tests/components/ct-vue-vite/tests/render/render.spec.tsx
@@ -1,6 +1,7 @@
 import { test, expect } from '@playwright/experimental-ct-vue';
 import Button from '@/components/Button.vue';
 import EmptyTemplate from '@/components/EmptyTemplate.vue';
+import { Story } from '@/components/Story';
 
 test('render props', async ({ mount }) => {
   const component = await mount(<Button title='Submit' />);
@@ -19,3 +20,8 @@ test('render an empty component', async ({ page, mount }) => {
   expect(await component.textContent()).toBe('');
   await expect(component).toHaveText('');
 });
+
+test('render props with defineComponent syntax', async ({ mount }) => {
+  const component = await mount(<Story title="story/wrapper" />);
+  await expect(component).toContainText('story/wrapper');
+});