diff --git a/packages/astro/test/fixtures/fontsource-package/astro.config.mjs b/packages/astro/test/fixtures/fontsource-package/astro.config.mjs
new file mode 100644
index 000000000..03d5ecbec
--- /dev/null
+++ b/packages/astro/test/fixtures/fontsource-package/astro.config.mjs
@@ -0,0 +1,13 @@
+import { defineConfig } from 'astro/config';
+
+// https://astro.build/config
+export default defineConfig({
+	vite: {
+		ssr: {
+			noExternal: [
+				'@fontsource/montserrat',
+				'@fontsource/monofett',
+			]
+		}
+	}
+});