diff --git a/.changeset/spicy-chicken-pump.md b/.changeset/spicy-chicken-pump.md
new file mode 100644
index 000000000..c4e41a5f9
--- /dev/null
+++ b/.changeset/spicy-chicken-pump.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fix a warning from Vite regarding internal sourcemaps
diff --git a/scripts/cmd/build.js b/scripts/cmd/build.js
index 3a8f1d5b0..6dd78f4fa 100644
--- a/scripts/cmd/build.js
+++ b/scripts/cmd/build.js
@@ -38,6 +38,7 @@ export default async function build(...args) {
 	if (!isDev) {
 		await esbuild.build({
 			...config,
+			sourcemap: false,
 			bundle: entryPoints.length === 1, // Note: only use `bundle` with a single entrypoint!
 			entryPoints,
 			outdir,