diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd98d2a..39fb9b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # sapper changelog
 
+## 0.15.1
+
+* Prevent confusing error when no root layout is specified
+
 ## 0.15.0
 
 * Nested routes (consult [migration guide](https://sapper.svelte.technology/guide#0-14-to-0-15) and docs on [layouts](https://sapper.svelte.technology/guide#layouts)) ([#262](https://github.com/sveltejs/sapper/issues/262))
diff --git a/package.json b/package.json
index 3372255..7abbf66 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sapper",
-  "version": "0.15.0",
+  "version": "0.15.1",
   "description": "Military-grade apps, engineered by Svelte",
   "main": "dist/middleware.ts.js",
   "bin": {
diff --git a/src/core/create_manifests.ts b/src/core/create_manifests.ts
index a1dc261..be6990d 100644
--- a/src/core/create_manifests.ts
+++ b/src/core/create_manifests.ts
@@ -62,7 +62,7 @@ function generate_client(
 
 	let code = `
 		// This file is generated by Sapper — do not edit it!
-		import root from '${posixify(`${path_to_routes}/${routes.root.file}`)}';
+		import root from '${get_file(path_to_routes, routes.root)}';
 		import error from '${posixify(`${path_to_routes}/_error.html`)}';
 
 		${routes.components.map(component =>
@@ -124,7 +124,7 @@ function generate_server(
 			`import * as ${route.name} from '${posixify(`${path_to_routes}/${route.file}`)}';`),
 		routes.components.map(component =>
 			`import ${component.name} from '${get_file(path_to_routes, component)}';`),
-		`import root from '${posixify(`${path_to_routes}/${routes.root.file}`)}';`,
+		`import root from '${get_file(path_to_routes, routes.root)}';`,
 		`import error from '${posixify(`${path_to_routes}/_error.html`)}';`
 	);