diff --git a/.changeset/lorem-ipsum-dolor b/.changeset/lorem-ipsum-dolor
new file mode 100644
index 000000000000..15182e8f6cd5
--- /dev/null
+++ b/.changeset/lorem-ipsum-dolor
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixes static builds when `config.outDir` is located outside of the astro project
diff --git a/packages/astro/src/core/build/static-build.ts b/packages/astro/src/core/build/static-build.ts
index 56910c434130..cd642aca0ed1 100644
--- a/packages/astro/src/core/build/static-build.ts
+++ b/packages/astro/src/core/build/static-build.ts
@@ -352,7 +352,7 @@ async function runPostBuildHooks(
 			? mutation.targets.includes('server')
 				? build.server
 				: build.client
-			: config.outDir;
+			: getOutDirWithinCwd(config.outDir);
 		const fullPath = path.join(fileURLToPath(root), fileName);
 		const fileURL = pathToFileURL(fullPath);
 		await fs.promises.mkdir(new URL('./', fileURL), { recursive: true });