diff --git a/.changeset/lemon-flies-clean.md b/.changeset/lemon-flies-clean.md
new file mode 100644
index 000000000000..7deef534a901
--- /dev/null
+++ b/.changeset/lemon-flies-clean.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fix sourcemap generation when scanning files
diff --git a/packages/astro/src/vite-plugin-scanner/index.ts b/packages/astro/src/vite-plugin-scanner/index.ts
index 3976891c7258..92d6a16eb677 100644
--- a/packages/astro/src/vite-plugin-scanner/index.ts
+++ b/packages/astro/src/vite-plugin-scanner/index.ts
@@ -29,6 +29,7 @@ export default function astroScannerPlugin({ settings }: { settings: AstroSettin
 			const { meta = {} } = this.getModuleInfo(id) ?? {};
 			return {
 				code,
+				map: null,
 				meta: {
 					...meta,
 					astro: {