diff --git a/lib/compile-vue.js b/lib/compile-vue.js
index f8c4291..bbadd55 100644
--- a/lib/compile-vue.js
+++ b/lib/compile-vue.js
@@ -386,8 +386,8 @@ export function parseHtml(html, { page, imports, entry }) {
       `${
         process.env.NODE_ENV === 'development'
           ? `  <script>${
-              Es.transformSync(HMR_SCRIPT, { minify: true }).code
-            }</script>`
+              Es.transformSync(HMR_SCRIPT, { minify: true }).code.trim()
+            }</script>\n`
           : ''
       }</head>`
     )