diff --git a/.changeset/large-clouds-sip.md b/.changeset/large-clouds-sip.md
new file mode 100644
index 000000000000..c271de43cc13
--- /dev/null
+++ b/.changeset/large-clouds-sip.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixed an issue on Windows where lowercase drive letters in current working directory led to missing scripts and styles.
diff --git a/packages/astro/astro.js b/packages/astro/astro.js
index f227ae9e9704..e067b9dd9b55 100755
--- a/packages/astro/astro.js
+++ b/packages/astro/astro.js
@@ -32,6 +32,13 @@ async function main() {
 		}
 	}
 
+	// windows drive letters can sometimes be lowercase, which vite cannot process
+	if (process.platform === 'win32') {
+		const cwd = process.cwd();
+		const correctedCwd = cwd.slice(0, 1).toUpperCase() + cwd.slice(1);
+		if (correctedCwd !== cwd) process.chdir(correctedCwd);
+	}
+
 	return import('./dist/cli/index.js')
 		.then(({ cli }) => cli(process.argv))
 		.catch((error) => {