diff --git a/.changeset/funny-mice-help.md b/.changeset/funny-mice-help.md
new file mode 100644
index 0000000000..9cedc017cb
--- /dev/null
+++ b/.changeset/funny-mice-help.md
@@ -0,0 +1,5 @@
+---
+"astro": patch
+---
+
+Fixes the content config type path on windows
diff --git a/packages/astro/src/content/types-generator.ts b/packages/astro/src/content/types-generator.ts
index d08f151092..62f2fffbd6 100644
--- a/packages/astro/src/content/types-generator.ts
+++ b/packages/astro/src/content/types-generator.ts
@@ -345,8 +345,10 @@ function invalidateVirtualMod(viteServer: ViteDevServer) {
  */
 function normalizeConfigPath(from: string, to: string) {
 	const configPath = path.relative(from, to).replace(/\.ts$/, '.js');
+	// on windows `path.relative` will use backslashes, these must be replaced with forward slashes
+	const normalizedPath = configPath.replaceAll('\\', '/');
 
-	return `"${isRelativePath(configPath) ? '' : './'}${configPath}"` as const;
+	return `"${isRelativePath(configPath) ? '' : './'}${normalizedPath}"` as const;
 }
 
 async function writeContentFiles({