diff --git a/src/esbuild/svelte.ts b/src/esbuild/svelte.ts
index e2c92d5c..2ebe347d 100644
--- a/src/esbuild/svelte.ts
+++ b/src/esbuild/svelte.ts
@@ -65,7 +65,7 @@ export const sveltePlugin = ({
           })
 
           let contents = result.js.code
-          if (css && result.css) {
+          if (css && result.css.code) {
             const cssPath = useSvelteCssExtension(filename)
             css.set(cssPath, result.css.code)
             // Directly prepend the `import` statement as sourcemap doesn't matter for now
diff --git a/test/index.test.ts b/test/index.test.ts
index a124bcdb..06ab72bc 100644
--- a/test/index.test.ts
+++ b/test/index.test.ts
@@ -768,6 +768,30 @@ test('bundle svelte', async () => {
   `)
 })
 
+test('bundle svelte without styles', async () => {
+  const { outFiles } = await run(
+    getTestName(),
+    {
+      'input.ts': `import App from './App.svelte'
+      export { App }
+      `,
+      'App.svelte': `
+      <script>
+      let msg = 'hello svelte'
+      </script>
+
+      <span>{msg}</span>
+      `,
+    }
+  )
+
+  expect(outFiles).toMatchInlineSnapshot(`
+    Array [
+      "input.js",
+    ]
+  `)
+})
+
 test('onSuccess', async () => {
   const randomNumber = Math.random() + ''
   const { logs } = await run(